23906357 has 2 divisors, whose sum is σ = 23906358. Its totient is φ = 23906356.

The previous prime is 23906347. The next prime is 23906359. The reversal of 23906357 is 75360932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19061956 + 4844401 = 4366^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 23906357 - 2⁴ = 23906341 is a prime.

It is a super-2 number, since 2×23906357² = 1143027810022898, which contains 22 as substring.

Together with 23906359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23906359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11953178 + 11953179.

It is an arithmetic number, because the mean of its divisors is an integer number (11953179).

Almost surely, 2^23906357 is an apocalyptic number.

It is an amenable number.

23906357 is a deficient number, since it is larger than the sum of its proper divisors (1).

23906357 is an equidigital number, since it uses as much as digits as its factorization.

23906357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 23906357 is about 4889.4127459236. The cubic root of 23906357 is about 288.0742679157.

The spelling of 23906357 in words is "twenty-three million, nine hundred six thousand, three hundred fifty-seven".