23651923 has 2 divisors, whose sum is σ = 23651924. Its totient is φ = 23651922.

The previous prime is 23651921. The next prime is 23651933. The reversal of 23651923 is 32915632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23651923 - 2¹ = 23651921 is a prime.

Together with 23651921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23651921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11825961 + 11825962.

It is an arithmetic number, because the mean of its divisors is an integer number (11825962).

Almost surely, 2^23651923 is an apocalyptic number.

23651923 is a deficient number, since it is larger than the sum of its proper divisors (1).

23651923 is an equidigital number, since it uses as much as digits as its factorization.

23651923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 23651923 is about 4863.3242746089. The cubic root of 23651923 is about 287.0486346536.

The spelling of 23651923 in words is "twenty-three million, six hundred fifty-one thousand, nine hundred twenty-three".