23667985 has 16 divisors (see below), whose sum is σ = 31078080. Its totient is φ = 17160640.

The previous prime is 23667979. The next prime is 23667997. The reversal of 23667985 is 58976632.

It is not a de Polignac number, because 23667985 - 2¹¹ = 23665937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35586 + ... + 36244.

It is an arithmetic number, because the mean of its divisors is an integer number (1942380).

Almost surely, 2^23667985 is an apocalyptic number.

It is an amenable number.

23667985 is a deficient number, since it is larger than the sum of its proper divisors (7410095).

23667985 is a wasteful number, since it uses less digits than its factorization.

23667985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its digits is 544320, while the sum is 46.

The square root of 23667985 is about 4864.9753339560. The cubic root of 23667985 is about 287.1135981082.

The spelling of 23667985 in words is "twenty-three million, six hundred sixty-seven thousand, nine hundred eighty-five".