23203231131456 has 84 divisors (see below), whose sum is σ = 66509450147712. Its totient is φ = 7734226915584.

The previous prime is 23203231131401. The next prime is 23203231131491. The reversal of 23203231131456 is 65413113230232.

23203231131456 is a `hidden beast` number, since 2 + 3 + 2 + 0 + 323 + 11 + 314 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23203231131456.

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, 25005265 + ... + 25916591.

Almost surely, 2^{23203231131456} is an apocalyptic number.

It is an amenable number.

23203231131456 is an abundant number, since it is smaller than the sum of its proper divisors (43306219016256).

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

23203231131456 is a wasteful number, since it uses less digits than its factorization.

23203231131456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955548 (or 955535 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 23203231131456 its reverse (65413113230232), we get a palindrome (88616344361688).

The spelling of 23203231131456 in words is "twenty-three trillion, two hundred three billion, two hundred thirty-one million, one hundred thirty-one thousand, four hundred fifty-six".