23001911 has 2 divisors, whose sum is σ = 23001912. Its totient is φ = 23001910.

The previous prime is 23001899. The next prime is 23001919. The reversal of 23001911 is 11910032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23001911 - 2¹⁴ = 22985527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23001911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23001919) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500955 + 11500956.

It is an arithmetic number, because the mean of its divisors is an integer number (11500956).

Almost surely, 2^23001911 is an apocalyptic number.

23001911 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001911 is an equidigital number, since it uses as much as digits as its factorization.

23001911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 23001911 is about 4796.0307546971. The cubic root of 23001911 is about 284.3945740421.

Adding to 23001911 its reverse (11910032), we get a palindrome (34911943).

The spelling of 23001911 in words is "twenty-three million, one thousand, nine hundred eleven".