23028312 has 32 divisors (see below), whose sum is σ = 57726000. Its totient is φ = 7655424.

The previous prime is 23028311. The next prime is 23028331. The reversal of 23028312 is 21382032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23028311) 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, 9708 + ... + 11844.

Almost surely, 2^23028312 is an apocalyptic number.

It is an amenable number.

23028312 is an abundant number, since it is smaller than the sum of its proper divisors (34697688).

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

23028312 is a wasteful number, since it uses less digits than its factorization.

23028312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 23028312 is about 4798.7823455539. The cubic root of 23028312 is about 284.5033393583.

Subtracting from 23028312 its sum of digits (21), we obtain a triangular number (23028291 = T₆₇₈₆).

The spelling of 23028312 in words is "twenty-three million, twenty-eight thousand, three hundred twelve".