23942999 has 2 divisors, whose sum is σ = 23943000. Its totient is φ = 23942998.

The previous prime is 23942993. The next prime is 23943011. The reversal of 23942999 is 99924932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23942999 - 2¹² = 23938903 is a prime.

It is a super-2 number, since 2×23942999² = 1146534402228002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23942993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971499 + 11971500.

It is an arithmetic number, because the mean of its divisors is an integer number (11971500).

Almost surely, 2^23942999 is an apocalyptic number.

23942999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23942999 is an equidigital number, since it uses as much as digits as its factorization.

23942999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 47.

The square root of 23942999 is about 4893.1583869726. The cubic root of 23942999 is about 288.2213728460.

The spelling of 23942999 in words is "twenty-three million, nine hundred forty-two thousand, nine hundred ninety-nine".