23220031042 has 32 divisors (see below), whose sum is σ = 37740971520. Its totient is φ = 10650941760.

The previous prime is 23220031039. The next prime is 23220031049. The reversal of 23220031042 is 24013002232.

It is not an unprimeable number, because it can be changed into a prime (23220031049) 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 15 ways as a sum of consecutive naturals, for example, 3010563 + ... + 3018265.

It is an arithmetic number, because the mean of its divisors is an integer number (1179405360).

Almost surely, 2^23220031042 is an apocalyptic number.

23220031042 is a deficient number, since it is larger than the sum of its proper divisors (14520940478).

23220031042 is a wasteful number, since it uses less digits than its factorization.

23220031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8418.

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

Adding to 23220031042 its reverse (24013002232), we get a palindrome (47233033274).

The spelling of 23220031042 in words is "twenty-three billion, two hundred twenty million, thirty-one thousand, forty-two".