23455091 has 4 divisors (see below), whose sum is σ = 25587384. Its totient is φ = 21322800.

The previous prime is 23455079. The next prime is 23455093. The reversal of 23455091 is 19055432.

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 23455091 - 2⁶ = 23455027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23455093) 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, 1066130 + ... + 1066151.

It is an arithmetic number, because the mean of its divisors is an integer number (6396846).

Almost surely, 2^23455091 is an apocalyptic number.

23455091 is a deficient number, since it is larger than the sum of its proper divisors (2132293).

23455091 is a wasteful number, since it uses less digits than its factorization.

23455091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132292.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 23455091 is about 4843.0456326572. The cubic root of 23455091 is about 286.2501397761.

The spelling of 23455091 in words is "twenty-three million, four hundred fifty-five thousand, ninety-one".