23696289 has 6 divisors (see below), whose sum is σ = 34227986. Its totient is φ = 15797520.

The previous prime is 23696269. The next prime is 23696377. The reversal of 23696289 is 98269632.

23696289 is a `hidden beast` number, since 2 + 369 + 6 + 289 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 10497600 = 3633^2 + 3240^2 .

It is not a de Polignac number, because 23696289 - 2¹³ = 23688097 is a prime.

It is a super-2 number, since 2×23696289² = 1123028224743042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23696209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1316452 + ... + 1316469.

Almost surely, 2^23696289 is an apocalyptic number.

It is an amenable number.

23696289 is a deficient number, since it is larger than the sum of its proper divisors (10531697).

23696289 is a wasteful number, since it uses less digits than its factorization.

23696289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632927 (or 2632924 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 23696289 is about 4867.8834209541. The cubic root of 23696289 is about 287.2280033694.

The spelling of 23696289 in words is "twenty-three million, six hundred ninety-six thousand, two hundred eighty-nine".