123034431000 has 128 divisors (see below), whose sum is σ = 413395819200. Its totient is φ = 30285388800.

The previous prime is 123034430999. The next prime is 123034431031. The reversal of 123034431000 is 134430321.

It is a super-2 number, since 2×123034431000² (a number of 23 digits) contains 22 as substring.

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, 1538365 + ... + 1616364.

Almost surely, 2^123034431000 is an apocalyptic number.

123034431000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123034431000 is an abundant number, since it is smaller than the sum of its proper divisors (290361388200).

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

123034431000 is a wasteful number, since it uses less digits than its factorization.

123034431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154766 (or 3154752 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123034431000 its reverse (134430321), we get a palindrome (123168861321).

The spelling of 123034431000 in words is "one hundred twenty-three billion, thirty-four million, four hundred thirty-one thousand".