23686146 has 24 divisors (see below), whose sum is σ = 55985904. Its totient is φ = 7177560.

The previous prime is 23686133. The next prime is 23686153. The reversal of 23686146 is 64168632.

23686146 is a `hidden beast` number, since 2 + 36 + 8 + 614 + 6 = 666.

It is a super-2 number, since 2×23686146² = 1122067024666632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23686146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59616 + ... + 60011.

It is an arithmetic number, because the mean of its divisors is an integer number (2332746).

Almost surely, 2^23686146 is an apocalyptic number.

23686146 is an abundant number, since it is smaller than the sum of its proper divisors (32299758).

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

23686146 is a wasteful number, since it uses less digits than its factorization.

23686146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119646 (or 119643 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 23686146 is about 4866.8414808785. The cubic root of 23686146 is about 287.1870156657.

It can be divided in two parts, 23686 and 146, that added together give a palindrome (23832).

The spelling of 23686146 in words is "twenty-three million, six hundred eighty-six thousand, one hundred forty-six".