23540979686 has 8 divisors (see below), whose sum is σ = 40355965200. Its totient is φ = 10088991288.

The previous prime is 23540979677. The next prime is 23540979701. The reversal of 23540979686 is 68697904532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840749261 + ... + 840749288.

It is an arithmetic number, because the mean of its divisors is an integer number (5044495650).

Almost surely, 2^23540979686 is an apocalyptic number.

23540979686 is a deficient number, since it is larger than the sum of its proper divisors (16814985514).

23540979686 is a wasteful number, since it uses less digits than its factorization.

23540979686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681498558.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 23540979686 in words is "twenty-three billion, five hundred forty million, nine hundred seventy-nine thousand, six hundred eighty-six".