23155154024400 has 240 divisors, whose sum is σ = 85073752312320. Its totient is φ = 5975523532800.

The previous prime is 23155154024377. The next prime is 23155154024411. The reversal of 23155154024400 is 442045155132.

23155154024400 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 51 + 540 + 24 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×23155154024400² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34245777 + ... + 34915376.

It is an arithmetic number, because the mean of its divisors is an integer number (354473967968).

Almost surely, 2^{23155154024400} is an apocalyptic number.

23155154024400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23155154024400 is an abundant number, since it is smaller than the sum of its proper divisors (61918598287920).

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

23155154024400 is a wasteful number, since it uses less digits than its factorization.

23155154024400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69161211 (or 69161194 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 23155154024400 its reverse (442045155132), we get a palindrome (23597199179532).

The spelling of 23155154024400 in words is "twenty-three trillion, one hundred fifty-five billion, one hundred fifty-four million, twenty-four thousand, four hundred".