123002323312 has 20 divisors (see below), whose sum is σ = 259982183736. Its totient is φ = 55910146880.

The previous prime is 123002323217. The next prime is 123002323313. The reversal of 123002323312 is 213323200321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123002323313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349438243 + ... + 349438594.

Almost surely, 2^123002323312 is an apocalyptic number.

It is an amenable number.

123002323312 is an abundant number, since it is smaller than the sum of its proper divisors (136979860424).

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

123002323312 is a wasteful number, since it uses less digits than its factorization.

123002323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698876856 (or 698876850 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123002323312 its reverse (213323200321), we get a palindrome (336325523633).

The spelling of 123002323312 in words is "one hundred twenty-three billion, two million, three hundred twenty-three thousand, three hundred twelve".