23466431 has 2 divisors, whose sum is σ = 23466432. Its totient is φ = 23466430.

The previous prime is 23466419. The next prime is 23466437. The reversal of 23466431 is 13466432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23466431 is a prime.

It is a super-2 number, since 2×23466431² = 1101346767755522, which contains 22 as substring.

It is a Chen prime.

It is equal to p_1475750 and since 23466431 and 1475750 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 23466394 and 23466403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23466437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11733215 + 11733216.

It is an arithmetic number, because the mean of its divisors is an integer number (11733216).

Almost surely, 2^23466431 is an apocalyptic number.

23466431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23466431 is an equidigital number, since it uses as much as digits as its factorization.

23466431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

The square root of 23466431 is about 4844.2162420767. The cubic root of 23466431 is about 286.2962641419.

Subtracting from 23466431 its reverse (13466432), we obtain a palindrome (9999999).

The spelling of 23466431 in words is "twenty-three million, four hundred sixty-six thousand, four hundred thirty-one".