103323121132 has 72 divisors (see below), whose sum is σ = 227797258752. Its totient is φ = 40139293920.

The previous prime is 103323121129. The next prime is 103323121189. The reversal of 103323121132 is 231121323301.

It is a super-2 number, since 2×103323121132² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1131693 + ... + 1219579.

It is an arithmetic number, because the mean of its divisors is an integer number (3163850816).

Almost surely, 2^103323121132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103323121132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113898629376).

103323121132 is an abundant number, since it is smaller than the sum of its proper divisors (124474137620).

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

103323121132 is a wasteful number, since it uses less digits than its factorization.

103323121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88267 (or 88254 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 103323121132 its reverse (231121323301), we get a palindrome (334444444433).

The spelling of 103323121132 in words is "one hundred three billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty-two".