23554634374420 has 24 divisors (see below), whose sum is σ = 49476942855648. Its totient is φ = 9419527908000.

The previous prime is 23554634374387. The next prime is 23554634374429. The reversal of 23554634374420 is 2447343645532.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23554634374429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145282066 + ... + 145444105.

It is an arithmetic number, because the mean of its divisors is an integer number (2061539285652).

Almost surely, 2^{23554634374420} is an apocalyptic number.

23554634374420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23554634374420 is an abundant number, since it is smaller than the sum of its proper divisors (25922308481228).

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

23554634374420 is a wasteful number, since it uses less digits than its factorization.

23554634374420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290730231 (or 290730229 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 52.

The spelling of 23554634374420 in words is "twenty-three trillion, five hundred fifty-four billion, six hundred thirty-four million, three hundred seventy-four thousand, four hundred twenty".