23043659 has 2 divisors, whose sum is σ = 23043660. Its totient is φ = 23043658.

The previous prime is 23043623. The next prime is 23043667. The reversal of 23043659 is 95634032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23043659 - 2⁸ = 23043403 is a prime.

It is not a weakly prime, because it can be changed into another prime (23043359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521829 + 11521830.

It is an arithmetic number, because the mean of its divisors is an integer number (11521830).

Almost surely, 2^23043659 is an apocalyptic number.

23043659 is a deficient number, since it is larger than the sum of its proper divisors (1).

23043659 is an equidigital number, since it uses as much as digits as its factorization.

23043659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 23043659 is about 4800.3811307020. The cubic root of 23043659 is about 284.5665268403.

The spelling of 23043659 in words is "twenty-three million, forty-three thousand, six hundred fifty-nine".