23944423 has 2 divisors, whose sum is σ = 23944424. Its totient is φ = 23944422.

The previous prime is 23944409. The next prime is 23944429. The reversal of 23944423 is 32444932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23944423 - 2¹⁷ = 23813351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23944429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11972211 + 11972212.

It is an arithmetic number, because the mean of its divisors is an integer number (11972212).

Almost surely, 2^23944423 is an apocalyptic number.

23944423 is a deficient number, since it is larger than the sum of its proper divisors (1).

23944423 is an equidigital number, since it uses as much as digits as its factorization.

23944423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 23944423 is about 4893.3038940985. The cubic root of 23944423 is about 288.2270866819.

The spelling of 23944423 in words is "twenty-three million, nine hundred forty-four thousand, four hundred twenty-three".