23220404042 has 16 divisors (see below), whose sum is σ = 38008829664. Its totient is φ = 10551450000.

The previous prime is 23220404027. The next prime is 23220404047. The reversal of 23220404042 is 24040402232.

23220404042 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 23220403999 and 23220404017.

It is not an unprimeable number, because it can be changed into a prime (23220404047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90809 + ... + 233852.

It is an arithmetic number, because the mean of its divisors is an integer number (2375551854).

Almost surely, 2^23220404042 is an apocalyptic number.

23220404042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23220404042 is a deficient number, since it is larger than the sum of its proper divisors (14788425622).

23220404042 is a wasteful number, since it uses less digits than its factorization.

23220404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327925.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 23220404042 its reverse (24040402232), we get a palindrome (47260806274).

The spelling of 23220404042 in words is "twenty-three billion, two hundred twenty million, four hundred four thousand, forty-two".