23311801 has 2 divisors, whose sum is σ = 23311802. Its totient is φ = 23311800.

The previous prime is 23311793. The next prime is 23311817. The reversal of 23311801 is 10811332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13395600 + 9916201 = 3660^2 + 3149^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311801 - 2³ = 23311793 is a prime.

It is not a weakly prime, because it can be changed into another prime (23311861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655900 + 11655901.

It is an arithmetic number, because the mean of its divisors is an integer number (11655901).

Almost surely, 2^23311801 is an apocalyptic number.

It is an amenable number.

23311801 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311801 is an equidigital number, since it uses as much as digits as its factorization.

23311801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 23311801 is about 4828.2295927182. The cubic root of 23311801 is about 285.6660364120. Note that the first 3 decimals are identical.

The spelling of 23311801 in words is "twenty-three million, three hundred eleven thousand, eight hundred one".