23794762921 has 2 divisors, whose sum is σ = 23794762922. Its totient is φ = 23794762920.

The previous prime is 23794762919. The next prime is 23794762933. The reversal of 23794762921 is 12926749732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23697523600 + 97239321 = 153940^2 + 9861^2 .

It is a cyclic number.

It is not a de Polignac number, because 23794762921 - 2¹ = 23794762919 is a prime.

Together with 23794762919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23794762951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11897381460 + 11897381461.

It is an arithmetic number, because the mean of its divisors is an integer number (11897381461).

Almost surely, 2^23794762921 is an apocalyptic number.

It is an amenable number.

23794762921 is a deficient number, since it is larger than the sum of its proper divisors (1).

23794762921 is an equidigital number, since it uses as much as digits as its factorization.

23794762921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The spelling of 23794762921 in words is "twenty-three billion, seven hundred ninety-four million, seven hundred sixty-two thousand, nine hundred twenty-one".