23195938 has 4 divisors (see below), whose sum is σ = 34793910. Its totient is φ = 11597968.

The previous prime is 23195917. The next prime is 23195947. The reversal of 23195938 is 83959132.

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., 16136289 + 7059649 = 4017^2 + 2657^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23195938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5798983 + ... + 5798986.

Almost surely, 2^23195938 is an apocalyptic number.

23195938 is a deficient number, since it is larger than the sum of its proper divisors (11597972).

23195938 is a wasteful number, since it uses less digits than its factorization.

23195938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11597971.

The product of its digits is 58320, while the sum is 40.

The square root of 23195938 is about 4816.2161496345. The cubic root of 23195938 is about 285.1919830912.

It can be divided in two parts, 231 and 95938, that added together give a palindrome (96169).

The spelling of 23195938 in words is "twenty-three million, one hundred ninety-five thousand, nine hundred thirty-eight".