23321444042 has 16 divisors (see below), whose sum is σ = 37813161960. Its totient is φ = 10723726272.

The previous prime is 23321444011. The next prime is 23321444051. The reversal of 23321444042 is 24044412332.

It can be written as a sum of positive squares in 4 ways, for example, as 16360712281 + 6960731761 = 127909^2 + 83431^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23321443996 and 23321444014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660253 + ... + 1674240.

Almost surely, 2^23321444042 is an apocalyptic number.

23321444042 is a deficient number, since it is larger than the sum of its proper divisors (14491717918).

23321444042 is a wasteful number, since it uses less digits than its factorization.

23321444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334777.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 23321444042 its reverse (24044412332), we get a palindrome (47365856374).

The spelling of 23321444042 in words is "twenty-three billion, three hundred twenty-one million, four hundred forty-four thousand, forty-two".