23957533 has 2 divisors, whose sum is σ = 23957534. Its totient is φ = 23957532.

The previous prime is 23957519. The next prime is 23957551. The reversal of 23957533 is 33575932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18818244 + 5139289 = 4338^2 + 2267^2 .

It is a cyclic number.

It is not a de Polignac number, because 23957533 - 2⁵ = 23957501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23957492 and 23957501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23954533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978766 + 11978767.

It is an arithmetic number, because the mean of its divisors is an integer number (11978767).

Almost surely, 2^23957533 is an apocalyptic number.

It is an amenable number.

23957533 is a deficient number, since it is larger than the sum of its proper divisors (1).

23957533 is an equidigital number, since it uses as much as digits as its factorization.

23957533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 37.

The square root of 23957533 is about 4894.6432965028. The cubic root of 23957533 is about 288.2796802467.

The spelling of 23957533 in words is "twenty-three million, nine hundred fifty-seven thousand, five hundred thirty-three".