23986951 has 2 divisors, whose sum is σ = 23986952. Its totient is φ = 23986950.

The previous prime is 23986943. The next prime is 23986979. The reversal of 23986951 is 15968932.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23986951 - 2³ = 23986943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23986898 and 23986907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23986351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11993475 + 11993476.

It is an arithmetic number, because the mean of its divisors is an integer number (11993476).

Almost surely, 2^23986951 is an apocalyptic number.

23986951 is a deficient number, since it is larger than the sum of its proper divisors (1).

23986951 is an equidigital number, since it uses as much as digits as its factorization.

23986951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 23986951 is about 4897.6474965028. The cubic root of 23986951 is about 288.3976270434.

The spelling of 23986951 in words is "twenty-three million, nine hundred eighty-six thousand, nine hundred fifty-one".