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23423400000 = 263255711132
BaseRepresentation
bin10101110100001001…
…001011100001000000
32020110102021000012100
4111310021023201000
5340432342300000
614432140430400
71456311420630
oct256411134100
966412230170
1023423400000
119a2a998120
124658548400
132293a04600
1411c2c246c0
15921596a00
hex57424b840

23423400000 has 1512 divisors, whose sum is σ = 113292623808. Its totient is φ = 4492800000.

The previous prime is 23423399981. The next prime is 23423400001. The reversal of 23423400000 is 432432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (23423400001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1801799994 + ... + 1801800006.

It is an arithmetic number, because the mean of its divisors is an integer number (74928984).

Almost surely, 223423400000 is an apocalyptic number.

23423400000 is a gapful number since it is divisible by the number (20) 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 23423400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56646311904).

23423400000 is an abundant number, since it is smaller than the sum of its proper divisors (89869223808).

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

23423400000 is a wasteful number, since it uses less digits than its factorization.

23423400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 23423400000 its reverse (432432), we get a palindrome (23423832432).

The spelling of 23423400000 in words is "twenty-three billion, four hundred twenty-three million, four hundred thousand".