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23231232024 = 233721113138143
BaseRepresentation
bin10101101000101100…
…000111100000011000
32012222000122212021220
4111220230013200120
5340034143411044
614401113532040
71451456133300
oct255054074030
965860585256
1023231232024
119941474510
124604114020
132262c60150
1411a54c0600
1590e788019
hex568b07818

23231232024 has 192 divisors, whose sum is σ = 79372016640. Its totient is φ = 5569885440.

The previous prime is 23231231993. The next prime is 23231232029. The reversal of 23231232024 is 42023213232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 23231231985 and 23231232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231232029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99097 + ... + 237239.

It is an arithmetic number, because the mean of its divisors is an integer number (413395920).

Almost surely, 223231232024 is an apocalyptic number.

23231232024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23231232024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39686008320).

23231232024 is an abundant number, since it is smaller than the sum of its proper divisors (56140784616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23231232024 is a wasteful number, since it uses less digits than its factorization.

23231232024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138190 (or 138179 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23231232024 its reverse (42023213232), we get a palindrome (65254445256).

It can be divided in two parts, 23231 and 232024, that added together give a triangular number (255255 = T714).

The spelling of 23231232024 in words is "twenty-three billion, two hundred thirty-one million, two hundred thirty-two thousand, twenty-four".