23456028 has 24 divisors (see below), whose sum is σ = 54917632. Its totient is φ = 7791984.

The previous prime is 23456023. The next prime is 23456033. The reversal of 23456028 is 82065432.

It is an interprime number because it is at equal distance from previous prime (23456023) and next prime (23456033).

It is a junction number, because it is equal to n+sod(n) for n = 23455986 and 23456004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23456023) 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, 501 + ... + 6867.

Almost surely, 2^23456028 is an apocalyptic number.

It is an amenable number.

23456028 is an abundant number, since it is smaller than the sum of its proper divisors (31461604).

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

23456028 is a wasteful number, since it uses less digits than its factorization.

23456028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681 (or 6679 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 23456028 is about 4843.1423683390. The cubic root of 23456028 is about 286.2539514974.

The spelling of 23456028 in words is "twenty-three million, four hundred fifty-six thousand, twenty-eight".