23493802859 has 4 divisors (see below), whose sum is σ = 23495153616. Its totient is φ = 23492452104.

The previous prime is 23493802853. The next prime is 23493802861. The reversal of 23493802859 is 95820839432.

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-23493802859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23493802859.

It is not an unprimeable number, because it can be changed into a prime (23493802853) 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, 648944 + ... + 684189.

It is an arithmetic number, because the mean of its divisors is an integer number (5873788404).

Almost surely, 2^23493802859 is an apocalyptic number.

23493802859 is a deficient number, since it is larger than the sum of its proper divisors (1350757).

23493802859 is a wasteful number, since it uses less digits than its factorization.

23493802859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350756.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 23493802859 in words is "twenty-three billion, four hundred ninety-three million, eight hundred two thousand, eight hundred fifty-nine".