23294638 has 4 divisors (see below), whose sum is σ = 34941960. Its totient is φ = 11647318.

The previous prime is 23294633. The next prime is 23294639. The reversal of 23294638 is 83649232.

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

It is a junction number, because it is equal to n+sod(n) for n = 23294597 and 23294606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23294633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823658 + ... + 5823661.

It is an arithmetic number, because the mean of its divisors is an integer number (8735490).

Almost surely, 2^23294638 is an apocalyptic number.

23294638 is a deficient number, since it is larger than the sum of its proper divisors (11647322).

23294638 is a wasteful number, since it uses less digits than its factorization.

23294638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11647321.

The product of its digits is 62208, while the sum is 37.

The square root of 23294638 is about 4826.4519059035. The cubic root of 23294638 is about 285.5959132742.

It can be divided in two parts, 23294 and 638, that added together give a palindrome (23932).

The spelling of 23294638 in words is "twenty-three million, two hundred ninety-four thousand, six hundred thirty-eight".