253235231123 has 16 divisors (see below), whose sum is σ = 292926654720. Its totient is φ = 214423050336.

The previous prime is 253235231111. The next prime is 253235231149. The reversal of 253235231123 is 321132532352.

It is a cyclic number.

It is not a de Polignac number, because 253235231123 - 2¹⁰ = 253235230099 is a prime.

It is a super-2 number, since 2×253235231123² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253235231123.

It is not an unprimeable number, because it can be changed into a prime (253235201123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11736461 + ... + 11758017.

It is an arithmetic number, because the mean of its divisors is an integer number (18307915920).

Almost surely, 2^253235231123 is an apocalyptic number.

253235231123 is a deficient number, since it is larger than the sum of its proper divisors (39691423597).

253235231123 is a wasteful number, since it uses less digits than its factorization.

253235231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41866.

The product of its digits is 32400, while the sum is 32.

Adding to 253235231123 its reverse (321132532352), we get a palindrome (574367763475).

The spelling of 253235231123 in words is "two hundred fifty-three billion, two hundred thirty-five million, two hundred thirty-one thousand, one hundred twenty-three".