23543412400 has 60 divisors (see below), whose sum is σ = 57008549632. Its totient is φ = 9343192320.

The previous prime is 23543412383. The next prime is 23543412407. The reversal of 23543412400 is 421434532.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23543412407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180927 + ... + 282526.

Almost surely, 2^23543412400 is an apocalyptic number.

23543412400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23543412400 is an abundant number, since it is smaller than the sum of its proper divisors (33465137232).

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

23543412400 is a wasteful number, since it uses less digits than its factorization.

23543412400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463598 (or 463587 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 23543412400 its reverse (421434532), we get a palindrome (23964846932).

The spelling of 23543412400 in words is "twenty-three billion, five hundred forty-three million, four hundred twelve thousand, four hundred".