23893691 has 2 divisors, whose sum is σ = 23893692. Its totient is φ = 23893690.

The previous prime is 23893663. The next prime is 23893699. The reversal of 23893691 is 19639832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23893691 - 2⁶ = 23893627 is a prime.

It is a super-3 number, since 3×23893691³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23893699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11946845 + 11946846.

It is an arithmetic number, because the mean of its divisors is an integer number (11946846).

Almost surely, 2^23893691 is an apocalyptic number.

23893691 is a deficient number, since it is larger than the sum of its proper divisors (1).

23893691 is an equidigital number, since it uses as much as digits as its factorization.

23893691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 23893691 is about 4888.1173267425. The cubic root of 23893691 is about 288.0233833573.

The spelling of 23893691 in words is "twenty-three million, eight hundred ninety-three thousand, six hundred ninety-one".