23752029979 has 4 divisors (see below), whose sum is σ = 25002136840. Its totient is φ = 22501923120.

The previous prime is 23752029947. The next prime is 23752029997. The reversal of 23752029979 is 97992025732.

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

It is a cyclic number.

It is not a de Polignac number, because 23752029979 - 2⁵ = 23752029947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23752009979) 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, 625053402 + ... + 625053439.

It is an arithmetic number, because the mean of its divisors is an integer number (6250534210).

Almost surely, 2^23752029979 is an apocalyptic number.

23752029979 is a deficient number, since it is larger than the sum of its proper divisors (1250106861).

23752029979 is a wasteful number, since it uses less digits than its factorization.

23752029979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250106860.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 23752029979 in words is "twenty-three billion, seven hundred fifty-two million, twenty-nine thousand, nine hundred seventy-nine".