23570978 has 6 divisors (see below), whose sum is σ = 35366769. Its totient is φ = 11782056.

The previous prime is 23570951. The next prime is 23570983. The reversal of 23570978 is 87907532.

It can be written as a sum of positive squares in 2 ways, for example, as 22877089 + 693889 = 4783^2 + 833^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3433.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5150 + ... + 8582.

Almost surely, 2^23570978 is an apocalyptic number.

23570978 is a deficient number, since it is larger than the sum of its proper divisors (11795791).

23570978 is an frugal number, since it uses more digits than its factorization.

23570978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868 (or 3435 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 23570978 is about 4854.9951596268. The cubic root of 23570978 is about 286.7208007256.

The spelling of 23570978 in words is "twenty-three million, five hundred seventy thousand, nine hundred seventy-eight".