23113254431240 has 32 divisors (see below), whose sum is σ = 52005413583000. Its totient is φ = 9245196685824.

The previous prime is 23113254431233. The next prime is 23113254431257. The reversal of 23113254431240 is 4213445231132.

It can be written as a sum of positive squares in 4 ways, for example, as 17178057308164 + 5935197123076 = 4144642^2 + 2436226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23113254431240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328196 + ... + 6806924.

Almost surely, 2^{23113254431240} is an apocalyptic number.

23113254431240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23113254431240 is an abundant number, since it is smaller than the sum of its proper divisors (28892159151760).

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

23113254431240 is a wasteful number, since it uses less digits than its factorization.

23113254431240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567929 (or 6567925 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 23113254431240 its reverse (4213445231132), we get a palindrome (27326699662372).

The spelling of 23113254431240 in words is "twenty-three trillion, one hundred thirteen billion, two hundred fifty-four million, four hundred thirty-one thousand, two hundred forty".