23442407 has 2 divisors, whose sum is σ = 23442408. Its totient is φ = 23442406.

The previous prime is 23442401. The next prime is 23442427. The reversal of 23442407 is 70424432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23442407 - 2⁸ = 23442151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23442401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721203 + 11721204.

It is an arithmetic number, because the mean of its divisors is an integer number (11721204).

Almost surely, 2^23442407 is an apocalyptic number.

23442407 is a deficient number, since it is larger than the sum of its proper divisors (1).

23442407 is an equidigital number, since it uses as much as digits as its factorization.

23442407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 23442407 is about 4841.7359490166. The cubic root of 23442407 is about 286.1985312013.

Adding to 23442407 its reverse (70424432), we get a palindrome (93866839).

The spelling of 23442407 in words is "twenty-three million, four hundred forty-two thousand, four hundred seven".