23167642 has 4 divisors (see below), whose sum is σ = 34751466. Its totient is φ = 11583820.

The previous prime is 23167637. The next prime is 23167691. The reversal of 23167642 is 24676132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22477081 + 690561 = 4741^2 + 831^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5791909 + ... + 5791912.

Almost surely, 2^23167642 is an apocalyptic number.

23167642 is a deficient number, since it is larger than the sum of its proper divisors (11583824).

23167642 is a wasteful number, since it uses less digits than its factorization.

23167642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583823.

The product of its digits is 12096, while the sum is 31.

The square root of 23167642 is about 4813.2776774252. The cubic root of 23167642 is about 285.0759703086.

The spelling of 23167642 in words is "twenty-three million, one hundred sixty-seven thousand, six hundred forty-two".