23065428 has 12 divisors (see below), whose sum is σ = 53819360. Its totient is φ = 7688472.

The previous prime is 23065423. The next prime is 23065433. The reversal of 23065428 is 82456032.

It is an interprime number because it is at equal distance from previous prime (23065423) and next prime (23065433).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23065395 and 23065404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23065421) 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, 961048 + ... + 961071.

Almost surely, 2^23065428 is an apocalyptic number.

It is an amenable number.

23065428 is an abundant number, since it is smaller than the sum of its proper divisors (30753932).

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

23065428 is a wasteful number, since it uses less digits than its factorization.

23065428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922126 (or 1922124 counting only the distinct ones).

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

The square root of 23065428 is about 4802.6480195825. The cubic root of 23065428 is about 284.6561072184.

The spelling of 23065428 in words is "twenty-three million, sixty-five thousand, four hundred twenty-eight".