23401810432 has 360 divisors, whose sum is σ = 64493598708. Its totient is φ = 8402042880.

The previous prime is 23401810423. The next prime is 23401810433.

23401810432 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 22963159296 + 438651136 = 151536^2 + 20944^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 23401810432.

It is not an unprimeable number, because it can be changed into a prime (23401810433) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39463128 + ... + 39463720.

Almost surely, 2^23401810432 is an apocalyptic number.

23401810432 is a gapful number since it is divisible by the number (22) 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 23401810432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32246799354).

23401810432 is an abundant number, since it is smaller than the sum of its proper divisors (41091788276).

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

23401810432 is a wasteful number, since it uses less digits than its factorization.

23401810432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 23401810432 in words is "twenty-three billion, four hundred one million, eight hundred ten thousand, four hundred thirty-two".