23229727 has 2 divisors, whose sum is σ = 23229728. Its totient is φ = 23229726.

The previous prime is 23229707. The next prime is 23229733. The reversal of 23229727 is 72792232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23229727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23229692 and 23229701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23229707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11614863 + 11614864.

It is an arithmetic number, because the mean of its divisors is an integer number (11614864).

Almost surely, 2^23229727 is an apocalyptic number.

23229727 is a deficient number, since it is larger than the sum of its proper divisors (1).

23229727 is an equidigital number, since it uses as much as digits as its factorization.

23229727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 23229727 is about 4819.7227098662. The cubic root of 23229727 is about 285.3303934842.

It can be divided in two parts, 232297 and 27, that added together give a square (232324 = 482²).

The spelling of 23229727 in words is "twenty-three million, two hundred twenty-nine thousand, seven hundred twenty-seven".