23015207 has 2 divisors, whose sum is σ = 23015208. Its totient is φ = 23015206.

The previous prime is 23015159. The next prime is 23015233. The reversal of 23015207 is 70251032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23015207 - 2⁶ = 23015143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23015257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11507603 + 11507604.

It is an arithmetic number, because the mean of its divisors is an integer number (11507604).

Almost surely, 2^23015207 is an apocalyptic number.

23015207 is a deficient number, since it is larger than the sum of its proper divisors (1).

23015207 is an equidigital number, since it uses as much as digits as its factorization.

23015207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 23015207 is about 4797.4167006838. The cubic root of 23015207 is about 284.4493605322.

Adding to 23015207 its reverse (70251032), we get a palindrome (93266239).

The spelling of 23015207 in words is "twenty-three million, fifteen thousand, two hundred seven".