23020955 has 4 divisors (see below), whose sum is σ = 27625152. Its totient is φ = 18416760.

The previous prime is 23020939. The next prime is 23020961. The reversal of 23020955 is 55902032.

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

It is not a de Polignac number, because 23020955 - 2⁴ = 23020939 is a prime.

It is a super-2 number, since 2×23020955² = 1059928738224050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2302091 + ... + 2302100.

It is an arithmetic number, because the mean of its divisors is an integer number (6906288).

Almost surely, 2^23020955 is an apocalyptic number.

23020955 is a deficient number, since it is larger than the sum of its proper divisors (4604197).

23020955 is an equidigital number, since it uses as much as digits as its factorization.

23020955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604196.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 23020955 is about 4798.0157356974. The cubic root of 23020955 is about 284.4730387729.

Adding to 23020955 its reverse (55902032), we get a palindrome (78922987).

The spelling of 23020955 in words is "twenty-three million, twenty thousand, nine hundred fifty-five".