23454128 has 20 divisors (see below), whose sum is σ = 46410720. Its totient is φ = 11477184.

The previous prime is 23454121. The next prime is 23454133. The reversal of 23454128 is 82145432.

It is a happy number.

It is a super-2 number, since 2×23454128² = 1100192240480768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23454128.

It is not an unprimeable number, because it can be changed into a prime (23454121) 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, 14843 + ... + 16346.

It is an arithmetic number, because the mean of its divisors is an integer number (2320536).

Almost surely, 2^23454128 is an apocalyptic number.

It is an amenable number.

23454128 is a deficient number, since it is larger than the sum of its proper divisors (22956592).

23454128 is a wasteful number, since it uses less digits than its factorization.

23454128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31244 (or 31238 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 23454128 is about 4842.9462107275. The cubic root of 23454128 is about 286.2462221808.

The spelling of 23454128 in words is "twenty-three million, four hundred fifty-four thousand, one hundred twenty-eight".