23941561 has 8 divisors (see below), whose sum is σ = 27447104. Its totient is φ = 20457360.

The previous prime is 23941549. The next prime is 23941573. The reversal of 23941561 is 16514932.

It is an interprime number because it is at equal distance from previous prime (23941549) and next prime (23941573).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23941561 - 2⁵ = 23941529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23941061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850 + ... + 7483.

It is an arithmetic number, because the mean of its divisors is an integer number (3430888).

Almost surely, 2^23941561 is an apocalyptic number.

It is an amenable number.

23941561 is a deficient number, since it is larger than the sum of its proper divisors (3505543).

23941561 is a wasteful number, since it uses less digits than its factorization.

23941561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671.

The product of its digits is 6480, while the sum is 31.

The square root of 23941561 is about 4893.0114449079. The cubic root of 23941561 is about 288.2156026049.

The spelling of 23941561 in words is "twenty-three million, nine hundred forty-one thousand, five hundred sixty-one".