23223142 has 16 divisors (see below), whose sum is σ = 36158400. Its totient is φ = 11173120.

The previous prime is 23223107. The next prime is 23223143. The reversal of 23223142 is 24132232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223143) 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, 24534 + ... + 25462.

It is an arithmetic number, because the mean of its divisors is an integer number (2259900).

Almost surely, 2^23223142 is an apocalyptic number.

23223142 is a deficient number, since it is larger than the sum of its proper divisors (12935258).

23223142 is a wasteful number, since it uses less digits than its factorization.

23223142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its digits is 576, while the sum is 19.

The square root of 23223142 is about 4819.0395308609. The cubic root of 23223142 is about 285.3034297836.

Adding to 23223142 its reverse (24132232), we get a palindrome (47355374).

The spelling of 23223142 in words is "twenty-three million, two hundred twenty-three thousand, one hundred forty-two".