23987146 has 8 divisors (see below), whose sum is σ = 36002340. Its totient is φ = 11986368.

The previous prime is 23987129. The next prime is 23987167. The reversal of 23987146 is 64178932.

It can be written as a sum of positive squares in 2 ways, for example, as 22325625 + 1661521 = 4725^2 + 1289^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23987099 and 23987108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2920 + ... + 7516.

Almost surely, 2^23987146 is an apocalyptic number.

23987146 is a deficient number, since it is larger than the sum of its proper divisors (12015194).

23987146 is a wasteful number, since it uses less digits than its factorization.

23987146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208.

The product of its digits is 72576, while the sum is 40.

The square root of 23987146 is about 4897.6674039792. The cubic root of 23987146 is about 288.3984085431.

The spelling of 23987146 in words is "twenty-three million, nine hundred eighty-seven thousand, one hundred forty-six".