253155423124 has 12 divisors (see below), whose sum is σ = 443139560500. Its totient is φ = 126544120128.

The previous prime is 253155423107. The next prime is 253155423161. The reversal of 253155423124 is 421324551352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116786227600 + 136369195524 = 341740^2 + 369282^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8380899 + ... + 8411050.

Almost surely, 2^253155423124 is an apocalyptic number.

It is an amenable number.

253155423124 is a deficient number, since it is larger than the sum of its proper divisors (189984137376).

253155423124 is a wasteful number, since it uses less digits than its factorization.

253155423124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16795722 (or 16795720 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 253155423124 its reverse (421324551352), we get a palindrome (674479974476).

The spelling of 253155423124 in words is "two hundred fifty-three billion, one hundred fifty-five million, four hundred twenty-three thousand, one hundred twenty-four".