123102334452 has 12 divisors (see below), whose sum is σ = 287238780416. Its totient is φ = 41034111480.

The previous prime is 123102334451. The next prime is 123102334463. The reversal of 123102334452 is 254433201321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×123102334452² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123102334451) 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, 5129263924 + ... + 5129263947.

Almost surely, 2^123102334452 is an apocalyptic number.

123102334452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123102334452 is an abundant number, since it is smaller than the sum of its proper divisors (164136445964).

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

123102334452 is a wasteful number, since it uses less digits than its factorization.

123102334452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258527878 (or 10258527876 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123102334452 its reverse (254433201321), we get a palindrome (377535535773).

The spelling of 123102334452 in words is "one hundred twenty-three billion, one hundred two million, three hundred thirty-four thousand, four hundred fifty-two".