23940194 has 16 divisors (see below), whose sum is σ = 38111040. Its totient is φ = 11254320.

The previous prime is 23940179. The next prime is 23940197. The reversal of 23940194 is 49104932.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23940194.

It is not an unprimeable number, because it can be changed into a prime (23940197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (2381940).

Almost surely, 2^23940194 is an apocalyptic number.

23940194 is a deficient number, since it is larger than the sum of its proper divisors (14170846).

23940194 is a wasteful number, since it uses less digits than its factorization.

23940194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8905.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23940194 is about 4892.8717538885. The cubic root of 23940194 is about 288.2101170502.

The spelling of 23940194 in words is "twenty-three million, nine hundred forty thousand, one hundred ninety-four".