23554043400 has 48 divisors (see below), whose sum is σ = 73017536400. Its totient is φ = 6281078080.

The previous prime is 23554043377. The next prime is 23554043407. The reversal of 23554043400 is 434045532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (23554043407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19627770 + ... + 19628969.

It is an arithmetic number, because the mean of its divisors is an integer number (1521198675).

Almost surely, 2^23554043400 is an apocalyptic number.

23554043400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23554043400 is an abundant number, since it is smaller than the sum of its proper divisors (49463493000).

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

23554043400 is a wasteful number, since it uses less digits than its factorization.

23554043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39256758 (or 39256749 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 23554043400 its reverse (434045532), we get a palindrome (23988088932).

The spelling of 23554043400 in words is "twenty-three billion, five hundred fifty-four million, forty-three thousand, four hundred".