23445402131025 has 240 divisors, whose sum is σ = 52634301831936. Its totient is φ = 10071775457280.

The previous prime is 23445402131017. The next prime is 23445402131113. The reversal of 23445402131025 is 52013120454432.

It is a happy number.

23445402131025 is a `hidden beast` number, since 2 + 3 + 4 + 4 + 540 + 2 + 1 + 3 + 102 + 5 = 666.

It is not a de Polignac number, because 23445402131025 - 2³ = 23445402131017 is a prime.

It is a super-2 number, since 2×23445402131025² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 155835637 + ... + 155986013.

Almost surely, 2^{23445402131025} is an apocalyptic number.

23445402131025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23445402131025 is an abundant number, since it is smaller than the sum of its proper divisors (29188899700911).

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

23445402131025 is a wasteful number, since it uses less digits than its factorization.

23445402131025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151070 (or 151056 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 23445402131025 its reverse (52013120454432), we get a palindrome (75458522585457).

The spelling of 23445402131025 in words is "twenty-three trillion, four hundred forty-five billion, four hundred two million, one hundred thirty-one thousand, twenty-five".