23266231 has 4 divisors (see below), whose sum is σ = 23420464. Its totient is φ = 23112000.

The previous prime is 23266223. The next prime is 23266249. The reversal of 23266231 is 13266232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23266231 - 2³ = 23266223 is a prime.

It is a super-2 number, since 2×23266231² = 1082635009890722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23266196 and 23266205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23260231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76890 + ... + 77191.

It is an arithmetic number, because the mean of its divisors is an integer number (5855116).

Almost surely, 2^23266231 is an apocalyptic number.

23266231 is a deficient number, since it is larger than the sum of its proper divisors (154233).

23266231 is a wasteful number, since it uses less digits than its factorization.

23266231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154232.

The product of its digits is 2592, while the sum is 25.

The square root of 23266231 is about 4823.5081631526. The cubic root of 23266231 is about 285.4797746281.

Subtracting from 23266231 its reverse (13266232), we obtain a palindrome (9999999).

The spelling of 23266231 in words is "twenty-three million, two hundred sixty-six thousand, two hundred thirty-one".