23263657 has 4 divisors (see below), whose sum is σ = 24488080. Its totient is φ = 22039236.

The previous prime is 23263651. The next prime is 23263693. The reversal of 23263657 is 75636232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23263657 - 2⁷ = 23263529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23263651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612183 + ... + 612220.

It is an arithmetic number, because the mean of its divisors is an integer number (6122020).

Almost surely, 2^23263657 is an apocalyptic number.

It is an amenable number.

23263657 is a deficient number, since it is larger than the sum of its proper divisors (1224423).

23263657 is a wasteful number, since it uses less digits than its factorization.

23263657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224422.

The product of its digits is 45360, while the sum is 34.

The square root of 23263657 is about 4823.2413375240. The cubic root of 23263657 is about 285.4692464648.

Adding to 23263657 its reverse (75636232), we get a palindrome (98899889).

The spelling of 23263657 in words is "twenty-three million, two hundred sixty-three thousand, six hundred fifty-seven".