123231342000 has 160 divisors (see below), whose sum is σ = 427859490240. Its totient is φ = 30333849600.

The previous prime is 123231341983. The next prime is 123231342001. The reversal of 123231342000 is 243132321.

It is a super-2 number, since 2×123231342000² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123231342001) 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, 711945 + ... + 867944.

It is an arithmetic number, because the mean of its divisors is an integer number (2674121814).

Almost surely, 2^123231342000 is an apocalyptic number.

123231342000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123231342000 is an abundant number, since it is smaller than the sum of its proper divisors (304628148240).

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

123231342000 is a wasteful number, since it uses less digits than its factorization.

123231342000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579928 (or 1579912 counting only the distinct ones).

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

Adding to 123231342000 its reverse (243132321), we get a palindrome (123474474321).

The spelling of 123231342000 in words is "one hundred twenty-three billion, two hundred thirty-one million, three hundred forty-two thousand".