23671957 has 2 divisors, whose sum is σ = 23671958. Its totient is φ = 23671956.

The previous prime is 23671951. The next prime is 23671969. The reversal of 23671957 is 75917632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23415921 + 256036 = 4839^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 23671957 - 2⁷ = 23671829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23671951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11835978 + 11835979.

It is an arithmetic number, because the mean of its divisors is an integer number (11835979).

Almost surely, 2^23671957 is an apocalyptic number.

It is an amenable number.

23671957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23671957 is an equidigital number, since it uses as much as digits as its factorization.

23671957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 40.

The square root of 23671957 is about 4865.3835408938. The cubic root of 23671957 is about 287.1296585012.

The spelling of 23671957 in words is "twenty-three million, six hundred seventy-one thousand, nine hundred fifty-seven".