23116530 has 16 divisors (see below), whose sum is σ = 55479744. Its totient is φ = 6164400.

The previous prime is 23116529. The next prime is 23116537. The reversal of 23116530 is 3561132.

It is a junction number, because it is equal to n+sod(n) for n = 23116497 and 23116506.

It is not an unprimeable number, because it can be changed into a prime (23116537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385246 + ... + 385305.

It is an arithmetic number, because the mean of its divisors is an integer number (3467484).

Almost surely, 2^23116530 is an apocalyptic number.

23116530 is an abundant number, since it is smaller than the sum of its proper divisors (32363214).

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

23116530 is a wasteful number, since it uses less digits than its factorization.

23116530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770561.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 23116530 is about 4807.9652660975. The cubic root of 23116530 is about 284.8661729337.

Adding to 23116530 its reverse (3561132), we get a palindrome (26677662).

It can be divided in two parts, 231 and 16530, that added together give a palindrome (16761).

The spelling of 23116530 in words is "twenty-three million, one hundred sixteen thousand, five hundred thirty".