13323878351 has 4 divisors (see below), whose sum is σ = 15227289552. Its totient is φ = 11420467152.

The previous prime is 13323878339. The next prime is 13323878371. The reversal of 13323878351 is 15387832331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15387832331 = 30809 ⋅499459.

It is a cyclic number.

It is not a de Polignac number, because 13323878351 - 2²² = 13319684047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323878371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951705590 + ... + 951705603.

It is an arithmetic number, because the mean of its divisors is an integer number (3806822388).

Almost surely, 2^13323878351 is an apocalyptic number.

13323878351 is a deficient number, since it is larger than the sum of its proper divisors (1903411201).

13323878351 is an equidigital number, since it uses as much as digits as its factorization.

13323878351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903411200.

The product of its digits is 362880, while the sum is 44.

The spelling of 13323878351 in words is "thirteen billion, three hundred twenty-three million, eight hundred seventy-eight thousand, three hundred fifty-one".