23389916 has 12 divisors (see below), whose sum is σ = 44653560. Its totient is φ = 10631760.

The previous prime is 23389913. The next prime is 23389963. The reversal of 23389916 is 61998332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23389913) 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, 265751 + ... + 265838.

It is an arithmetic number, because the mean of its divisors is an integer number (3721130).

Almost surely, 2^23389916 is an apocalyptic number.

It is an amenable number.

23389916 is a deficient number, since it is larger than the sum of its proper divisors (21263644).

23389916 is a wasteful number, since it uses less digits than its factorization.

23389916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531604 (or 531602 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 23389916 is about 4836.3122314425. The cubic root of 23389916 is about 285.9847580186.

The spelling of 23389916 in words is "twenty-three million, three hundred eighty-nine thousand, nine hundred sixteen".