23018630 has 32 divisors (see below), whose sum is σ = 44307648. Its totient is φ = 8588800.

The previous prime is 23018627. The next prime is 23018659. The reversal of 23018630 is 3681032.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 23018596 and 23018605.

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, 8210 + ... + 10650.

It is an arithmetic number, because the mean of its divisors is an integer number (1384614).

Almost surely, 2^23018630 is an apocalyptic number.

23018630 is a deficient number, since it is larger than the sum of its proper divisors (21289018).

23018630 is a wasteful number, since it uses less digits than its factorization.

23018630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23018630 is about 4797.7734419207. The cubic root of 23018630 is about 284.4634616711.

Adding to 23018630 its reverse (3681032), we get a palindrome (26699662).

It can be divided in two parts, 230 and 18630, that multiplied together give a square (4284900 = 2070²).

The spelling of 23018630 in words is "twenty-three million, eighteen thousand, six hundred thirty".