23320522 has 4 divisors (see below), whose sum is σ = 34980786. Its totient is φ = 11660260.

The previous prime is 23320519. The next prime is 23320523. The reversal of 23320522 is 22502332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20331081 + 2989441 = 4509^2 + 1729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23320522.

It is not an unprimeable number, because it can be changed into a prime (23320523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830129 + ... + 5830132.

Almost surely, 2^23320522 is an apocalyptic number.

23320522 is a deficient number, since it is larger than the sum of its proper divisors (11660264).

23320522 is a wasteful number, since it uses less digits than its factorization.

23320522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11660263.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 23320522 is about 4829.1326343351. The cubic root of 23320522 is about 285.7016547511.

Adding to 23320522 its reverse (22502332), we get a palindrome (45822854).

The spelling of 23320522 in words is "twenty-three million, three hundred twenty thousand, five hundred twenty-two".