23427396 has 18 divisors (see below), whose sum is σ = 59219342. Its totient is φ = 7809120.

The previous prime is 23427347. The next prime is 23427403. The reversal of 23427396 is 69372432.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21068100 + 2359296 = 4590^2 + 1536^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 650761 = 23427396 / (2 + 3 + 4 + 2 + 7 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 23427396.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325345 + ... + 325416.

Almost surely, 2^23427396 is an apocalyptic number.

It is an amenable number.

23427396 is an abundant number, since it is smaller than the sum of its proper divisors (35791946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23427396 is a wasteful number, since it uses less digits than its factorization.

23427396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650771 (or 650766 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 23427396 is about 4840.1855336340. The cubic root of 23427396 is about 286.1374304866.

The spelling of 23427396 in words is "twenty-three million, four hundred twenty-seven thousand, three hundred ninety-six".