23800770021 has 32 divisors (see below), whose sum is σ = 36732745728. Its totient is φ = 13426977600.

The previous prime is 23800769987. The next prime is 23800770041. The reversal of 23800770021 is 12007700832.

It is not a de Polignac number, because 23800770021 - 2¹⁰ = 23800768997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23800770041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640296 + ... + 676446.

It is an arithmetic number, because the mean of its divisors is an integer number (1147898304).

Almost surely, 2^23800770021 is an apocalyptic number.

23800770021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23800770021 is a deficient number, since it is larger than the sum of its proper divisors (12931975707).

23800770021 is a wasteful number, since it uses less digits than its factorization.

23800770021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36561.

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 23800770021 in words is "twenty-three billion, eight hundred million, seven hundred seventy thousand, twenty-one".