23320442 has 4 divisors (see below), whose sum is σ = 34980666. Its totient is φ = 11660220.

The previous prime is 23320439. The next prime is 23320469. The reversal of 23320442 is 24402332.

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., 21335161 + 1985281 = 4619^2 + 1409^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830109 + ... + 5830112.

Almost surely, 2^23320442 is an apocalyptic number.

23320442 is a deficient number, since it is larger than the sum of its proper divisors (11660224).

23320442 is a wasteful number, since it uses less digits than its factorization.

23320442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660223.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 23320442 is about 4829.1243512670. The cubic root of 23320442 is about 285.7013280552.

Adding to 23320442 its reverse (24402332), we get a palindrome (47722774).

The spelling of 23320442 in words is "twenty-three million, three hundred twenty thousand, four hundred forty-two".