23520346779 has 16 divisors (see below), whose sum is σ = 32727762432. Its totient is φ = 14996739648.

The previous prime is 23520346771. The next prime is 23520346783. The reversal of 23520346779 is 97764302532.

It is not a de Polignac number, because 23520346779 - 2³ = 23520346771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23520346771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859167 + ... + 886119.

It is an arithmetic number, because the mean of its divisors is an integer number (2045485152).

Almost surely, 2^23520346779 is an apocalyptic number.

23520346779 is a deficient number, since it is larger than the sum of its proper divisors (9207415653).

23520346779 is a wasteful number, since it uses less digits than its factorization.

23520346779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39626.

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 23520346779 in words is "twenty-three billion, five hundred twenty million, three hundred forty-six thousand, seven hundred seventy-nine".