23120249 has 2 divisors, whose sum is σ = 23120250. Its totient is φ = 23120248.

The previous prime is 23120191. The next prime is 23120299. The reversal of 23120249 is 94202132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17682025 + 5438224 = 4205^2 + 2332^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120249 - 2²⁴ = 6343033 is a prime.

It is not a weakly prime, because it can be changed into another prime (23120299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560124 + 11560125.

It is an arithmetic number, because the mean of its divisors is an integer number (11560125).

Almost surely, 2^23120249 is an apocalyptic number.

It is an amenable number.

23120249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120249 is an equidigital number, since it uses as much as digits as its factorization.

23120249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23120249 is about 4808.3520045854. The cubic root of 23120249 is about 284.8814485898.

The spelling of 23120249 in words is "twenty-three million, one hundred twenty thousand, two hundred forty-nine".