23026321 has 4 divisors (see below), whose sum is σ = 23648692. Its totient is φ = 22403952.

The previous prime is 23026307. The next prime is 23026337. The reversal of 23026321 is 12362032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18662400 + 4363921 = 4320^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 23026321 - 2⁹ = 23025809 is a prime.

It is a super-2 number, since 2×23026321² = 1060422917590082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23026301) 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, 311130 + ... + 311203.

It is an arithmetic number, because the mean of its divisors is an integer number (5912173).

Almost surely, 2^23026321 is an apocalyptic number.

It is an amenable number.

23026321 is a deficient number, since it is larger than the sum of its proper divisors (622371).

23026321 is an equidigital number, since it uses as much as digits as its factorization.

23026321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622370.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23026321 is about 4798.5748926113. The cubic root of 23026321 is about 284.4951398504.

Adding to 23026321 its reverse (12362032), we get a palindrome (35388353).

The spelling of 23026321 in words is "twenty-three million, twenty-six thousand, three hundred twenty-one".