23051869 has 2 divisors, whose sum is σ = 23051870. Its totient is φ = 23051868.

The previous prime is 23051857. The next prime is 23051893. The reversal of 23051869 is 96815032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17935225 + 5116644 = 4235^2 + 2262^2 .

It is a cyclic number.

It is not a de Polignac number, because 23051869 - 2⁵ = 23051837 is a prime.

It is a super-2 number, since 2×23051869² = 1062777328786322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23051669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11525934 + 11525935.

It is an arithmetic number, because the mean of its divisors is an integer number (11525935).

Almost surely, 2^23051869 is an apocalyptic number.

It is an amenable number.

23051869 is a deficient number, since it is larger than the sum of its proper divisors (1).

23051869 is an equidigital number, since it uses as much as digits as its factorization.

23051869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 23051869 is about 4801.2361949815. The cubic root of 23051869 is about 284.6003179696.

The spelling of 23051869 in words is "twenty-three million, fifty-one thousand, eight hundred sixty-nine".