123102203022 has 48 divisors (see below), whose sum is σ = 271426109760. Its totient is φ = 40311921600.

The previous prime is 123102202987. The next prime is 123102203027. The reversal of 123102203022 is 220302201321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123102202986 and 123102203004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123102203027) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 833179 + ... + 969737.

It is an arithmetic number, because the mean of its divisors is an integer number (5654710620).

Almost surely, 2^123102203022 is an apocalyptic number.

123102203022 is an abundant number, since it is smaller than the sum of its proper divisors (148323906738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123102203022 is a wasteful number, since it uses less digits than its factorization.

123102203022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137449 (or 137446 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 123102203022 its reverse (220302201321), we get a palindrome (343404404343).

The spelling of 123102203022 in words is "one hundred twenty-three billion, one hundred two million, two hundred three thousand, twenty-two".