23074561 has 4 divisors (see below), whose sum is σ = 23303124. Its totient is φ = 22846000.

The previous prime is 23074549. The next prime is 23074573. The reversal of 23074561 is 16547032.

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

It is an interprime number because it is at equal distance from previous prime (23074549) and next prime (23074573).

It can be written as a sum of positive squares in 2 ways, for example, as 15681600 + 7392961 = 3960^2 + 2719^2 .

It is a cyclic number.

It is not a de Polignac number, because 23074561 - 2⁵ = 23074529 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (23074511) 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, 114130 + ... + 114331.

It is an arithmetic number, because the mean of its divisors is an integer number (5825781).

Almost surely, 2^23074561 is an apocalyptic number.

It is an amenable number.

23074561 is a deficient number, since it is larger than the sum of its proper divisors (228563).

23074561 is a wasteful number, since it uses less digits than its factorization.

23074561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228562.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 23074561 is about 4803.5987551002. The cubic root of 23074561 is about 284.6936731254.

The spelling of 23074561 in words is "twenty-three million, seventy-four thousand, five hundred sixty-one".