23116620 has 48 divisors (see below), whose sum is σ = 66312288. Its totient is φ = 6013440.

The previous prime is 23116619. The next prime is 23116627. The reversal of 23116620 is 2661132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23116627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239 + ... + 7158.

It is an arithmetic number, because the mean of its divisors is an integer number (1381506).

Almost surely, 2^23116620 is an apocalyptic number.

23116620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23116620 is an abundant number, since it is smaller than the sum of its proper divisors (43195668).

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

23116620 is a wasteful number, since it uses less digits than its factorization.

23116620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450 (or 9448 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 23116620 is about 4807.9746255570. The cubic root of 23116620 is about 284.8665426247.

Adding to 23116620 its reverse (2661132), we get a palindrome (25777752).

The spelling of 23116620 in words is "twenty-three million, one hundred sixteen thousand, six hundred twenty".