23554405400 has 48 divisors (see below), whose sum is σ = 54775865400. Its totient is φ = 9419719680.

The previous prime is 23554405397. The next prime is 23554405423. The reversal of 23554405400 is 450445532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1198856 + ... + 1218344.

Almost surely, 2^23554405400 is an apocalyptic number.

23554405400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23554405400 is an abundant number, since it is smaller than the sum of its proper divisors (31221460000).

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

23554405400 is a wasteful number, since it uses less digits than its factorization.

23554405400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25548 (or 25539 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 23554405400 in words is "twenty-three billion, five hundred fifty-four million, four hundred five thousand, four hundred".