23914487 has 2 divisors, whose sum is σ = 23914488. Its totient is φ = 23914486.

The previous prime is 23914463. The next prime is 23914507. The reversal of 23914487 is 78441932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23914487 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23914487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23914417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11957243 + 11957244.

It is an arithmetic number, because the mean of its divisors is an integer number (11957244).

Almost surely, 2^23914487 is an apocalyptic number.

23914487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23914487 is an equidigital number, since it uses as much as digits as its factorization.

23914487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 23914487 is about 4890.2440634390. The cubic root of 23914487 is about 288.1069200168.

The spelling of 23914487 in words is "twenty-three million, nine hundred fourteen thousand, four hundred eighty-seven".