23423567 has 2 divisors, whose sum is σ = 23423568. Its totient is φ = 23423566.

The previous prime is 23423563. The next prime is 23423593. The reversal of 23423567 is 76532432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23423567 - 2² = 23423563 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23423563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711783 + 11711784.

It is an arithmetic number, because the mean of its divisors is an integer number (11711784).

Almost surely, 2^23423567 is an apocalyptic number.

23423567 is a deficient number, since it is larger than the sum of its proper divisors (1).

23423567 is an equidigital number, since it uses as much as digits as its factorization.

23423567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 32.

The square root of 23423567 is about 4839.7899747820. The cubic root of 23423567 is about 286.1218407625.

Adding to 23423567 its reverse (76532432), we get a palindrome (99955999).

The spelling of 23423567 in words is "twenty-three million, four hundred twenty-three thousand, five hundred sixty-seven".