23030516 has 12 divisors (see below), whose sum is σ = 40719588. Its totient is φ = 11396352.

The previous prime is 23030509. The next prime is 23030519. The reversal of 23030516 is 61503032.

It can be written as a sum of positive squares in 2 ways, for example, as 11155600 + 11874916 = 3340^2 + 3446^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29291 + ... + 30066.

It is an arithmetic number, because the mean of its divisors is an integer number (3393299).

Almost surely, 2^23030516 is an apocalyptic number.

It is an amenable number.

23030516 is a deficient number, since it is larger than the sum of its proper divisors (17689072).

23030516 is a wasteful number, since it uses less digits than its factorization.

23030516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59458 (or 59456 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 23030516 is about 4799.0119816479. The cubic root of 23030516 is about 284.5124155099.

Adding to 23030516 its reverse (61503032), we get a palindrome (84533548).

The spelling of 23030516 in words is "twenty-three million, thirty thousand, five hundred sixteen".