123222443015 has 32 divisors (see below), whose sum is σ = 175693276800. Its totient is φ = 82901075712.

The previous prime is 123222442991. The next prime is 123222443023. The reversal of 123222443015 is 510344222321.

It is not a de Polignac number, because 123222443015 - 2⁶ = 123222442951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586934 + ... + 768723.

It is an arithmetic number, because the mean of its divisors is an integer number (5490414900).

Almost surely, 2^123222443015 is an apocalyptic number.

123222443015 is a deficient number, since it is larger than the sum of its proper divisors (52470833785).

123222443015 is an equidigital number, since it uses as much as digits as its factorization.

123222443015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355736 (or 1355722 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 123222443015 its reverse (510344222321), we get a palindrome (633566665336).

The spelling of 123222443015 in words is "one hundred twenty-three billion, two hundred twenty-two million, four hundred forty-three thousand, fifteen".