23210849 has 2 divisors, whose sum is σ = 23210850. Its totient is φ = 23210848.

The previous prime is 23210843. The next prime is 23210857. The reversal of 23210849 is 94801232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22391824 + 819025 = 4732^2 + 905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23210849 is a prime.

It is a super-2 number, since 2×23210849² = 1077487022601602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23210843) 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, 11605424 + 11605425.

It is an arithmetic number, because the mean of its divisors is an integer number (11605425).

Almost surely, 2^23210849 is an apocalyptic number.

It is an amenable number.

23210849 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210849 is an equidigital number, since it uses as much as digits as its factorization.

23210849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 23210849 is about 4817.7639004003. The cubic root of 23210849 is about 285.2530798053.

The spelling of 23210849 in words is "twenty-three million, two hundred ten thousand, eight hundred forty-nine".