23331442 has 8 divisors (see below), whose sum is σ = 35088300. Its totient is φ = 11635344.

The previous prime is 23331431. The next prime is 23331461. The reversal of 23331442 is 24413332.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23242041 + 89401 = 4821^2 + 299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14217 + ... + 15772.

Almost surely, 2^23331442 is an apocalyptic number.

23331442 is a deficient number, since it is larger than the sum of its proper divisors (11756858).

23331442 is a wasteful number, since it uses less digits than its factorization.

23331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30380.

The product of its digits is 1728, while the sum is 22.

The square root of 23331442 is about 4830.2631398300. The cubic root of 23331442 is about 285.7462417352.

Adding to 23331442 its reverse (24413332), we get a palindrome (47744774).

The spelling of 23331442 in words is "twenty-three million, three hundred thirty-one thousand, four hundred forty-two".