13123513254 has 32 divisors (see below), whose sum is σ = 26420723424. Its totient is φ = 4345620480.

The previous prime is 13123513253. The next prime is 13123513267. The reversal of 13123513254 is 45231532131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123513253) 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, 841084 + ... + 856544.

It is an arithmetic number, because the mean of its divisors is an integer number (825647607).

Almost surely, 2^13123513254 is an apocalyptic number.

13123513254 is an abundant number, since it is smaller than the sum of its proper divisors (13297210170).

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

13123513254 is a wasteful number, since it uses less digits than its factorization.

13123513254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16392.

The product of its digits is 10800, while the sum is 30.

The spelling of 13123513254 in words is "thirteen billion, one hundred twenty-three million, five hundred thirteen thousand, two hundred fifty-four".