23938507 has 2 divisors, whose sum is σ = 23938508. Its totient is φ = 23938506.

The previous prime is 23938493. The next prime is 23938511. The reversal of 23938507 is 70583932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23938507 is a prime.

It is not a weakly prime, because it can be changed into another prime (23938007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11969253 + 11969254.

It is an arithmetic number, because the mean of its divisors is an integer number (11969254).

Almost surely, 2^23938507 is an apocalyptic number.

23938507 is a deficient number, since it is larger than the sum of its proper divisors (1).

23938507 is an equidigital number, since it uses as much as digits as its factorization.

23938507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 23938507 is about 4892.6993572056. The cubic root of 23938507 is about 288.2033470983.

The spelling of 23938507 in words is "twenty-three million, nine hundred thirty-eight thousand, five hundred seven".