23157727 has 2 divisors, whose sum is σ = 23157728. Its totient is φ = 23157726.

The previous prime is 23157721. The next prime is 23157749. The reversal of 23157727 is 72775132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23157727 - 2¹¹ = 23155679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23157692 and 23157701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23157721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11578863 + 11578864.

It is an arithmetic number, because the mean of its divisors is an integer number (11578864).

Almost surely, 2^23157727 is an apocalyptic number.

23157727 is a deficient number, since it is larger than the sum of its proper divisors (1).

23157727 is an equidigital number, since it uses as much as digits as its factorization.

23157727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20580, while the sum is 34.

The square root of 23157727 is about 4812.2476037710. The cubic root of 23157727 is about 285.0352967467.

It can be divided in two parts, 2 and 3157727, that added together give a square (3157729 = 1777²).

The spelling of 23157727 in words is "twenty-three million, one hundred fifty-seven thousand, seven hundred twenty-seven".