23929357 has 2 divisors, whose sum is σ = 23929358. Its totient is φ = 23929356.

The previous prime is 23929351. The next prime is 23929369. The reversal of 23929357 is 75392932.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14356521 + 9572836 = 3789^2 + 3094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23929357 is a prime.

It is a super-2 number, since 2×23929357² = 1145228252866898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23929351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11964678 + 11964679.

It is an arithmetic number, because the mean of its divisors is an integer number (11964679).

Almost surely, 2^23929357 is an apocalyptic number.

It is an amenable number.

23929357 is a deficient number, since it is larger than the sum of its proper divisors (1).

23929357 is an equidigital number, since it uses as much as digits as its factorization.

23929357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 40.

The square root of 23929357 is about 4891.7642011855. The cubic root of 23929357 is about 288.1666224927.

The spelling of 23929357 in words is "twenty-three million, nine hundred twenty-nine thousand, three hundred fifty-seven".