23946157 has 4 divisors (see below), whose sum is σ = 23962716. Its totient is φ = 23929600.

The previous prime is 23946121. The next prime is 23946187. The reversal of 23946157 is 75164932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17464041 + 6482116 = 4179^2 + 2546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23946157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23946187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5878 + ... + 9079.

It is an arithmetic number, because the mean of its divisors is an integer number (5990679).

Almost surely, 2^23946157 is an apocalyptic number.

It is an amenable number.

23946157 is a deficient number, since it is larger than the sum of its proper divisors (16559).

23946157 is a wasteful number, since it uses less digits than its factorization.

23946157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16558.

The product of its digits is 45360, while the sum is 37.

The square root of 23946157 is about 4893.4810717934. The cubic root of 23946157 is about 288.2340440947.

The spelling of 23946157 in words is "twenty-three million, nine hundred forty-six thousand, one hundred fifty-seven".