23015081 has 2 divisors, whose sum is σ = 23015082. Its totient is φ = 23015080.

The previous prime is 23015029. The next prime is 23015089. The reversal of 23015081 is 18051032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16810000 + 6205081 = 4100^2 + 2491^2 .

It is a cyclic number.

It is not a de Polignac number, because 23015081 - 2⁶ = 23015017 is a prime.

It is a super-2 number, since 2×23015081² = 1059387906873122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23015089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11507540 + 11507541.

It is an arithmetic number, because the mean of its divisors is an integer number (11507541).

Almost surely, 2^23015081 is an apocalyptic number.

It is an amenable number.

23015081 is a deficient number, since it is larger than the sum of its proper divisors (1).

23015081 is an equidigital number, since it uses as much as digits as its factorization.

23015081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 23015081 is about 4797.4035685983. The cubic root of 23015081 is about 284.4488414452.

The spelling of 23015081 in words is "twenty-three million, fifteen thousand, eighty-one".