13123533505254 has 16 divisors (see below), whose sum is σ = 26616744011520. Its totient is φ = 4312898334920.

The previous prime is 13123533505237. The next prime is 13123533505289. The reversal of 13123533505254 is 45250533532131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15403207914 + ... + 15403208765.

It is an arithmetic number, because the mean of its divisors is an integer number (1663546500720).

Almost surely, 2^{13123533505254} is an apocalyptic number.

13123533505254 is an abundant number, since it is smaller than the sum of its proper divisors (13493210506266).

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

13123533505254 is a wasteful number, since it uses less digits than its factorization.

13123533505254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30806416755.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 13123533505254 in words is "thirteen trillion, one hundred twenty-three billion, five hundred thirty-three million, five hundred five thousand, two hundred fifty-four".