Search a number
-
+
23123132232 = 233963463843
BaseRepresentation
bin10101100010001111…
…101111111101001000
32012200111020211020220
4111202033233331020
5334324010212412
614342252550040
71446004244454
oct254217577510
965614224226
1023123132232
119896450542
124593a82320
132246741985
141194dc1664
1590503368c
hex5623eff48

23123132232 has 16 divisors (see below), whose sum is σ = 57807830640. Its totient is φ = 7707710736.

The previous prime is 23123132213. The next prime is 23123132293. The reversal of 23123132232 is 23223132132.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 963463843 = 23123132232 / (2 + 3 + 1 + 2 + 3 + 1 + 3 + 2 + 2 + 3 + 2).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481731898 + ... + 481731945.

It is an arithmetic number, because the mean of its divisors is an integer number (3612989415).

Almost surely, 223123132232 is an apocalyptic number.

It is an amenable number.

23123132232 is an abundant number, since it is smaller than the sum of its proper divisors (34684698408).

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

23123132232 is a wasteful number, since it uses less digits than its factorization.

23123132232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963463852 (or 963463848 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

Adding to 23123132232 its reverse (23223132132), we get a palindrome (46346264364).

The spelling of 23123132232 in words is "twenty-three billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 963463843 1926927686 2890391529 3853855372 5780783058 7707710744 11561566116 23123132232