23223559 has 2 divisors, whose sum is σ = 23223560. Its totient is φ = 23223558.

The previous prime is 23223553. The next prime is 23223667. The reversal of 23223559 is 95532232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23223559 - 2⁵ = 23223527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23223559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611779 + 11611780.

It is an arithmetic number, because the mean of its divisors is an integer number (11611780).

Almost surely, 2^23223559 is an apocalyptic number.

23223559 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223559 is an equidigital number, since it uses as much as digits as its factorization.

23223559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The square root of 23223559 is about 4819.0827965496. The cubic root of 23223559 is about 285.3051374311.

The spelling of 23223559 in words is "twenty-three million, two hundred twenty-three thousand, five hundred fifty-nine".