23421694 has 4 divisors (see below), whose sum is σ = 35132544. Its totient is φ = 11710846.

The previous prime is 23421691. The next prime is 23421719. The reversal of 23421694 is 49612432.

It is a happy number.

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

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5855422 + ... + 5855425.

It is an arithmetic number, because the mean of its divisors is an integer number (8783136).

Almost surely, 2^23421694 is an apocalyptic number.

23421694 is a deficient number, since it is larger than the sum of its proper divisors (11710850).

23421694 is a wasteful number, since it uses less digits than its factorization.

23421694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710849.

The product of its digits is 10368, while the sum is 31.

The square root of 23421694 is about 4839.5964707814. The cubic root of 23421694 is about 286.1142142484.

The spelling of 23421694 in words is "twenty-three million, four hundred twenty-one thousand, six hundred ninety-four".