23262661 has 4 divisors (see below), whose sum is σ = 23392800. Its totient is φ = 23132524.

The previous prime is 23262643. The next prime is 23262667. The reversal of 23262661 is 16626232.

It is a happy number.

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 23262661 - 2²¹ = 21165509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23262667) 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, 64801 + ... + 65158.

It is an arithmetic number, because the mean of its divisors is an integer number (5848200).

Almost surely, 2^23262661 is an apocalyptic number.

It is an amenable number.

23262661 is a deficient number, since it is larger than the sum of its proper divisors (130139).

23262661 is a wasteful number, since it uses less digits than its factorization.

23262661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130138.

The product of its digits is 5184, while the sum is 28.

The square root of 23262661 is about 4823.1380863500. The cubic root of 23262661 is about 285.4651724216.

Adding to 23262661 its reverse (16626232), we get a palindrome (39888893).

The spelling of 23262661 in words is "twenty-three million, two hundred sixty-two thousand, six hundred sixty-one".