123133332 has 48 divisors (see below), whose sum is σ = 336373632. Its totient is φ = 34321920.

The previous prime is 123133331. The next prime is 123133343. The reversal of 123133332 is 233331321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 123133299 and 123133308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123133331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14433 + ... + 21320.

It is an arithmetic number, because the mean of its divisors is an integer number (7007784).

Almost surely, 2^123133332 is an apocalyptic number.

123133332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123133332 is an abundant number, since it is smaller than the sum of its proper divisors (213240300).

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

123133332 is a wasteful number, since it uses less digits than its factorization.

123133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35808 (or 35806 counting only the distinct ones).

The product of its digits is 972, while the sum is 21.

The square root of 123133332 is about 11096.5459490780. The cubic root of 123133332 is about 497.4986163611.

Adding to 123133332 its reverse (233331321), we get a palindrome (356464653).

The spelling of 123133332 in words is "one hundred twenty-three million, one hundred thirty-three thousand, three hundred thirty-two".