123143422002 has 64 divisors (see below), whose sum is σ = 263692195200. Its totient is φ = 38201932800.

The previous prime is 123143421997. The next prime is 123143422007. The reversal of 123143422002 is 200224341321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123143421997) and next prime (123143422007).

It is not an unprimeable number, because it can be changed into a prime (123143422007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8533149 + ... + 8547567.

It is an arithmetic number, because the mean of its divisors is an integer number (4120190550).

Almost surely, 2^123143422002 is an apocalyptic number.

123143422002 is an abundant number, since it is smaller than the sum of its proper divisors (140548773198).

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

123143422002 is a wasteful number, since it uses less digits than its factorization.

123143422002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 123143422002 its reverse (200224341321), we get a palindrome (323367763323).

The spelling of 123143422002 in words is "one hundred twenty-three billion, one hundred forty-three million, four hundred twenty-two thousand, two".