23894719 has 2 divisors, whose sum is σ = 23894720. Its totient is φ = 23894718.

The previous prime is 23894699. The next prime is 23894729. The reversal of 23894719 is 91749832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23894719 - 2⁵ = 23894687 is a prime.

It is a super-2 number, since 2×23894719² = 1141915192177922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23894729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11947359 + 11947360.

It is an arithmetic number, because the mean of its divisors is an integer number (11947360).

Almost surely, 2^23894719 is an apocalyptic number.

23894719 is a deficient number, since it is larger than the sum of its proper divisors (1).

23894719 is an equidigital number, since it uses as much as digits as its factorization.

23894719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 23894719 is about 4888.2224785703. Note that the first 3 decimals coincide. The cubic root of 23894719 is about 288.0275139287.

The spelling of 23894719 in words is "twenty-three million, eight hundred ninety-four thousand, seven hundred nineteen".