23123404 has 6 divisors (see below), whose sum is σ = 40465964. Its totient is φ = 11561700.

The previous prime is 23123393. The next prime is 23123461. The reversal of 23123404 is 40432132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2890422 + ... + 2890429.

Almost surely, 2^23123404 is an apocalyptic number.

It is an amenable number.

23123404 is a deficient number, since it is larger than the sum of its proper divisors (17342560).

23123404 is a wasteful number, since it uses less digits than its factorization.

23123404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780855 (or 5780853 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23123404 is about 4808.6800683764. The cubic root of 23123404 is about 284.8944063524.

Adding to 23123404 its reverse (40432132), we get a palindrome (63555536).

The spelling of 23123404 in words is "twenty-three million, one hundred twenty-three thousand, four hundred four".