123335415400253 has 16 divisors (see below), whose sum is σ = 149247414514944. Its totient is φ = 99496679596800.

The previous prime is 123335415400243. The next prime is 123335415400333. The reversal of 123335415400253 is 352004514533321.

It is a cyclic number.

It is not a de Polignac number, because 123335415400253 - 2¹⁸ = 123335415138109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123335415400253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123335415400243) 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, 10964651 + ... + 19154487.

It is an arithmetic number, because the mean of its divisors is an integer number (9327963407184).

Almost surely, 2^{123335415400253} is an apocalyptic number.

It is an amenable number.

123335415400253 is a deficient number, since it is larger than the sum of its proper divisors (25911999114691).

123335415400253 is a wasteful number, since it uses less digits than its factorization.

123335415400253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316412.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 123335415400253 its reverse (352004514533321), we get a palindrome (475339929933574).

The spelling of 123335415400253 in words is "one hundred twenty-three trillion, three hundred thirty-five billion, four hundred fifteen million, four hundred thousand, two hundred fifty-three".