23026905 has 36 divisors (see below), whose sum is σ = 43882020. Its totient is φ = 11161920.

The previous prime is 23026853. The next prime is 23026909. The reversal of 23026905 is 50962032.

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 5184729 = 4224^2 + 2277^2 .

It is not a de Polignac number, because 23026905 - 2⁷ = 23026777 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23026909) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3331 + ... + 7559.

It is an arithmetic number, because the mean of its divisors is an integer number (1218945).

Almost surely, 2^23026905 is an apocalyptic number.

It is an amenable number.

23026905 is a deficient number, since it is larger than the sum of its proper divisors (20855115).

23026905 is a wasteful number, since it uses less digits than its factorization.

23026905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262 (or 4248 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 23026905 is about 4798.6357436255. The cubic root of 23026905 is about 284.4975449786.

Adding to 23026905 its reverse (50962032), we get a palindrome (73988937).

The spelling of 23026905 in words is "twenty-three million, twenty-six thousand, nine hundred five".