23020030 has 32 divisors (see below), whose sum is σ = 45982080. Its totient is φ = 8226720.

The previous prime is 23020013. The next prime is 23020051. The reversal of 23020030 is 3002032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 23019989 and 23020016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4717 + ... + 8263.

It is an arithmetic number, because the mean of its divisors is an integer number (1436940).

Almost surely, 2^23020030 is an apocalyptic number.

23020030 is a deficient number, since it is larger than the sum of its proper divisors (22962050).

23020030 is a wasteful number, since it uses less digits than its factorization.

23020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 23020030 is about 4797.9193407143. The cubic root of 23020030 is about 284.4692286053.

Adding to 23020030 its reverse (3002032), we get a palindrome (26022062).

The spelling of 23020030 in words is "twenty-three million, twenty thousand, thirty".