23391946 has 8 divisors (see below), whose sum is σ = 35138880. Its totient is φ = 11678988.

The previous prime is 23391941. The next prime is 23392007. The reversal of 23391946 is 64919332.

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

It is not an unprimeable number, because it can be changed into a prime (23391941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6696 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (4392360).

Almost surely, 2^23391946 is an apocalyptic number.

23391946 is a deficient number, since it is larger than the sum of its proper divisors (11746934).

23391946 is a wasteful number, since it uses less digits than its factorization.

23391946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16988.

The product of its digits is 34992, while the sum is 37.

The square root of 23391946 is about 4836.5220975408. The cubic root of 23391946 is about 285.9930312743.

The spelling of 23391946 in words is "twenty-three million, three hundred ninety-one thousand, nine hundred forty-six".