23496864539 has 4 divisors (see below), whose sum is σ = 24733541640. Its totient is φ = 22260187440.

The previous prime is 23496864533. The next prime is 23496864553. The reversal of 23496864539 is 93546869432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23496864539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23496864533) 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, 618338522 + ... + 618338559.

It is an arithmetic number, because the mean of its divisors is an integer number (6183385410).

Almost surely, 2^23496864539 is an apocalyptic number.

23496864539 is a deficient number, since it is larger than the sum of its proper divisors (1236677101).

23496864539 is a wasteful number, since it uses less digits than its factorization.

23496864539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236677100.

The product of its digits is 33592320, while the sum is 59.

The spelling of 23496864539 in words is "twenty-three billion, four hundred ninety-six million, eight hundred sixty-four thousand, five hundred thirty-nine".