23034591 has 8 divisors (see below), whose sum is σ = 34125360. Its totient is φ = 15356376.

The previous prime is 23034587. The next prime is 23034623. The reversal of 23034591 is 19543032.

23034591 is a `hidden beast` number, since 230 + 345 + 91 = 666.

It is not a de Polignac number, because 23034591 - 2² = 23034587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 853133 = 23034591 / (2 + 3 + 0 + 3 + 4 + 5 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23034511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426540 + ... + 426593.

It is an arithmetic number, because the mean of its divisors is an integer number (4265670).

Almost surely, 2^23034591 is an apocalyptic number.

23034591 is a deficient number, since it is larger than the sum of its proper divisors (11090769).

23034591 is an equidigital number, since it uses as much as digits as its factorization.

23034591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853142 (or 853136 counting only the distinct ones).

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

The square root of 23034591 is about 4799.4365294272. The cubic root of 23034591 is about 284.5291949823.

The spelling of 23034591 in words is "twenty-three million, thirty-four thousand, five hundred ninety-one".