23554428 has 24 divisors (see below), whose sum is σ = 55208832. Its totient is φ = 7815984.

The previous prime is 23554417. The next prime is 23554429. The reversal of 23554428 is 82445532.

It is a super-2 number, since 2×23554428² = 1109622156814368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23554429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600 + ... + 7047.

It is an arithmetic number, because the mean of its divisors is an integer number (2300368).

Almost surely, 2^23554428 is an apocalyptic number.

It is an amenable number.

23554428 is an abundant number, since it is smaller than the sum of its proper divisors (31654404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23554428 is a wasteful number, since it uses less digits than its factorization.

23554428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8881 (or 8879 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 23554428 is about 4853.2904302133. The cubic root of 23554428 is about 286.6536794789.

The spelling of 23554428 in words is "twenty-three million, five hundred fifty-four thousand, four hundred twenty-eight".