23490961 has 8 divisors (see below), whose sum is σ = 25361280. Its totient is φ = 21629712.

The previous prime is 23490959. The next prime is 23490997. The reversal of 23490961 is 16909432.

23490961 = T₇₈ + T₇₉ + ... + T₅₂₀.

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

It is not a de Polignac number, because 23490961 - 2¹ = 23490959 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23490911) 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, 3720 + ... + 7798.

It is an arithmetic number, because the mean of its divisors is an integer number (3170160).

Almost surely, 2^23490961 is an apocalyptic number.

It is an amenable number.

23490961 is a deficient number, since it is larger than the sum of its proper divisors (1870319).

23490961 is a wasteful number, since it uses less digits than its factorization.

23490961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535.

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

The square root of 23490961 is about 4846.7474660849. The cubic root of 23490961 is about 286.3959867588.

The spelling of 23490961 in words is "twenty-three million, four hundred ninety thousand, nine hundred sixty-one".