23454296639 has 4 divisors (see below), whose sum is σ = 23456615520. Its totient is φ = 23451977760.

The previous prime is 23454296617. The next prime is 23454296641. The reversal of 23454296639 is 93669245432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23454296639 - 2²⁴ = 23437519423 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 (23454296689) 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, 1144202 + ... + 1164519.

It is an arithmetic number, because the mean of its divisors is an integer number (5864153880).

Almost surely, 2^23454296639 is an apocalyptic number.

23454296639 is a deficient number, since it is larger than the sum of its proper divisors (2318881).

23454296639 is a wasteful number, since it uses less digits than its factorization.

23454296639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318880.

The product of its digits is 8398080, while the sum is 53.

The spelling of 23454296639 in words is "twenty-three billion, four hundred fifty-four million, two hundred ninety-six thousand, six hundred thirty-nine".