23434559 has 2 divisors, whose sum is σ = 23434560. Its totient is φ = 23434558.

The previous prime is 23434549. The next prime is 23434561. The reversal of 23434559 is 95543432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23434559 - 2¹⁶ = 23369023 is a prime.

Together with 23434561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23434519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11717279 + 11717280.

It is an arithmetic number, because the mean of its divisors is an integer number (11717280).

Almost surely, 2^23434559 is an apocalyptic number.

23434559 is a deficient number, since it is larger than the sum of its proper divisors (1).

23434559 is an equidigital number, since it uses as much as digits as its factorization.

23434559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 35.

The square root of 23434559 is about 4840.9254280561. The cubic root of 23434559 is about 286.1665899880.

The spelling of 23434559 in words is "twenty-three million, four hundred thirty-four thousand, five hundred fifty-nine".