23261630 has 16 divisors (see below), whose sum is σ = 47852640. Its totient is φ = 7975392.

The previous prime is 23261621. The next prime is 23261633. The reversal of 23261630 is 3616232.

It is a super-2 number, since 2×23261630² = 1082206860513800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23261596 and 23261605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166085 + ... + 166224.

It is an arithmetic number, because the mean of its divisors is an integer number (2990790).

Almost surely, 2^23261630 is an apocalyptic number.

23261630 is an abundant number, since it is smaller than the sum of its proper divisors (24591010).

23261630 is a wasteful number, since it uses less digits than its factorization.

23261630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332323.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23261630 is about 4823.0312045435. The cubic root of 23261630 is about 285.4609550918.

Adding to 23261630 its reverse (3616232), we get a palindrome (26877862).

The spelling of 23261630 in words is "twenty-three million, two hundred sixty-one thousand, six hundred thirty".