23262551 has 4 divisors (see below), whose sum is σ = 25051992. Its totient is φ = 21473112.

The previous prime is 23262541. The next prime is 23262557. The reversal of 23262551 is 15526232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23262551 is a prime.

It is a super-2 number, since 2×23262551² = 1082292558055202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23262551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23262557) 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, 894701 + ... + 894726.

It is an arithmetic number, because the mean of its divisors is an integer number (6262998).

Almost surely, 2^23262551 is an apocalyptic number.

23262551 is a deficient number, since it is larger than the sum of its proper divisors (1789441).

23262551 is a wasteful number, since it uses less digits than its factorization.

23262551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789440.

The product of its digits is 3600, while the sum is 26.

The square root of 23262551 is about 4823.1266829724. The cubic root of 23262551 is about 285.4647224700.

Adding to 23262551 its reverse (15526232), we get a palindrome (38788783).

The spelling of 23262551 in words is "twenty-three million, two hundred sixty-two thousand, five hundred fifty-one".