23440053442525 has 6 divisors (see below), whose sum is σ = 29065666268762. Its totient is φ = 18752042754000.

The previous prime is 23440053442489. The next prime is 23440053442549. The reversal of 23440053442525 is 52524435004432.

It can be written as a sum of positive squares in 3 ways, for example, as 1006767410884 + 22433286031641 = 1003378^2 + 4736379^2 .

It is not a de Polignac number, because 23440053442525 - 2²³ = 23440045053917 is a prime.

It is a super-2 number, since 2×23440053442525² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 468801068826 + ... + 468801068875.

Almost surely, 2^{23440053442525} is an apocalyptic number.

23440053442525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23440053442525 is a deficient number, since it is larger than the sum of its proper divisors (5625612826237).

23440053442525 is an equidigital number, since it uses as much as digits as its factorization.

23440053442525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937602137711 (or 937602137706 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 43.

Adding to 23440053442525 its reverse (52524435004432), we get a palindrome (75964488446957).

The spelling of 23440053442525 in words is "twenty-three trillion, four hundred forty billion, fifty-three million, four hundred forty-two thousand, five hundred twenty-five".