23279540785 has 8 divisors (see below), whose sum is σ = 28272021120. Its totient is φ = 18399251184.

The previous prime is 23279540773. The next prime is 23279540831. The reversal of 23279540785 is 58704597232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23279540785 - 2²⁷ = 23145323057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28047225 + ... + 28048054.

It is an arithmetic number, because the mean of its divisors is an integer number (3534002640).

Almost surely, 2^23279540785 is an apocalyptic number.

It is an amenable number.

23279540785 is a deficient number, since it is larger than the sum of its proper divisors (4992480335).

23279540785 is an equidigital number, since it uses as much as digits as its factorization.

23279540785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56095367.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 23279540785 in words is "twenty-three billion, two hundred seventy-nine million, five hundred forty thousand, seven hundred eighty-five".