123332231000 has 128 divisors (see below), whose sum is σ = 315596736000. Its totient is φ = 44739376000.

The previous prime is 123332230997. The next prime is 123332231051. The reversal of 123332231000 is 132233321.

It is a super-2 number, since 2×123332231000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 4595621 + ... + 4622379.

It is an arithmetic number, because the mean of its divisors is an integer number (2465599500).

Almost surely, 2^123332231000 is an apocalyptic number.

123332231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123332231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157798368000).

123332231000 is an abundant number, since it is smaller than the sum of its proper divisors (192264505000).

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

123332231000 is a wasteful number, since it uses less digits than its factorization.

123332231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27210 (or 27196 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123332231000 its reverse (132233321), we get a palindrome (123464464321).

The spelling of 123332231000 in words is "one hundred twenty-three billion, three hundred thirty-two million, two hundred thirty-one thousand".