23138476 has 12 divisors (see below), whose sum is σ = 41354208. Its totient is φ = 11322992.

The previous prime is 23138461. The next prime is 23138501. The reversal of 23138476 is 67483132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61351 + ... + 61726.

It is an arithmetic number, because the mean of its divisors is an integer number (3446184).

Almost surely, 2^23138476 is an apocalyptic number.

It is an amenable number.

23138476 is a deficient number, since it is larger than the sum of its proper divisors (18215732).

23138476 is a wasteful number, since it uses less digits than its factorization.

23138476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123128 (or 123126 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 23138476 is about 4810.2469791062. The cubic root of 23138476 is about 284.9562916453.

The spelling of 23138476 in words is "twenty-three million, one hundred thirty-eight thousand, four hundred seventy-six".