23049691 has 4 divisors (see below), whose sum is σ = 26342512. Its totient is φ = 19756872.

The previous prime is 23049683. The next prime is 23049701. The reversal of 23049691 is 19694032.

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 23049691 - 2³ = 23049683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23049661) 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, 1646400 + ... + 1646413.

It is an arithmetic number, because the mean of its divisors is an integer number (6585628).

Almost surely, 2^23049691 is an apocalyptic number.

23049691 is a deficient number, since it is larger than the sum of its proper divisors (3292821).

23049691 is an equidigital number, since it uses as much as digits as its factorization.

23049691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292820.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 23049691 is about 4801.0093730381. The cubic root of 23049691 is about 284.5913544301.

The spelling of 23049691 in words is "twenty-three million, forty-nine thousand, six hundred ninety-one".