23207057 has 16 divisors (see below), whose sum is σ = 25660800. Its totient is φ = 20896512.

The previous prime is 23207021. The next prime is 23207083. The reversal of 23207057 is 75070232.

It is a cyclic number.

It is not a de Polignac number, because 23207057 - 2⁸ = 23206801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23207957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38444 + ... + 39042.

It is an arithmetic number, because the mean of its divisors is an integer number (1603800).

Almost surely, 2^23207057 is an apocalyptic number.

It is an amenable number.

23207057 is a deficient number, since it is larger than the sum of its proper divisors (2453743).

23207057 is a wasteful number, since it uses less digits than its factorization.

23207057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 23207057 is about 4817.3703407565. The cubic root of 23207057 is about 285.2375448488.

Adding to 23207057 its reverse (75070232), we get a palindrome (98277289).

The spelling of 23207057 in words is "twenty-three million, two hundred seven thousand, fifty-seven".