23013630 has 48 divisors (see below), whose sum is σ = 61461504. Its totient is φ = 5970240.

The previous prime is 23013611. The next prime is 23013637. The reversal of 23013630 is 3631032.

It is a happy number.

23013630 is a `hidden beast` number, since 2 + 30 + 1 + 3 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126 + ... + 6785.

It is an arithmetic number, because the mean of its divisors is an integer number (1280448).

Almost surely, 2^23013630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23013630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30730752).

23013630 is an abundant number, since it is smaller than the sum of its proper divisors (38447874).

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

23013630 is a wasteful number, since it uses less digits than its factorization.

23013630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961 (or 6958 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 23013630 is about 4797.2523385788. The cubic root of 23013630 is about 284.4428635686.

Adding to 23013630 its reverse (3631032), we get a palindrome (26644662).

The spelling of 23013630 in words is "twenty-three million, thirteen thousand, six hundred thirty".