23561423 has 2 divisors, whose sum is σ = 23561424. Its totient is φ = 23561422.

The previous prime is 23561413. The next prime is 23561431. The reversal of 23561423 is 32416532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23561423 - 2⁶ = 23561359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23561392 and 23561401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23561413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11780711 + 11780712.

It is an arithmetic number, because the mean of its divisors is an integer number (11780712).

Almost surely, 2^23561423 is an apocalyptic number.

23561423 is a deficient number, since it is larger than the sum of its proper divisors (1).

23561423 is an equidigital number, since it uses as much as digits as its factorization.

23561423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 23561423 is about 4854.0110218251. The cubic root of 23561423 is about 286.6820526866.

Adding to 23561423 its reverse (32416532), we get a palindrome (55977955).

The spelling of 23561423 in words is "twenty-three million, five hundred sixty-one thousand, four hundred twenty-three".