23238628 has 24 divisors (see below), whose sum is σ = 48081600. Its totient is φ = 9615648.

The previous prime is 23238617. The next prime is 23238629. The reversal of 23238628 is 82683232.

It is a junction number, because it is equal to n+sod(n) for n = 23238593 and 23238602.

It is not an unprimeable number, because it can be changed into a prime (23238629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13498 + ... + 15121.

It is an arithmetic number, because the mean of its divisors is an integer number (2003400).

Almost surely, 2^23238628 is an apocalyptic number.

23238628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23238628 is an abundant number, since it is smaller than the sum of its proper divisors (24842972).

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

23238628 is a wasteful number, since it uses less digits than its factorization.

23238628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28659 (or 28657 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 23238628 is about 4820.6460147993. The cubic root of 23238628 is about 285.3668324476.

The spelling of 23238628 in words is "twenty-three million, two hundred thirty-eight thousand, six hundred twenty-eight".