123013332 has 144 divisors (see below), whose sum is σ = 353866240. Its totient is φ = 35769600.

The previous prime is 123013327. The next prime is 123013337. The reversal of 123013332 is 233310321.

It is an interprime number because it is at equal distance from previous prime (123013327) and next prime (123013337).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 884919 + ... + 885057.

Almost surely, 2^123013332 is an apocalyptic number.

123013332 is a gapful number since it is divisible by the number (12) 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 123013332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176933120).

123013332 is an abundant number, since it is smaller than the sum of its proper divisors (230852908).

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

123013332 is a wasteful number, since it uses less digits than its factorization.

123013332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123013332 is about 11091.1375431017. The cubic root of 123013332 is about 497.3369508530.

Adding to 123013332 its reverse (233310321), we get a palindrome (356323653).

The spelling of 123013332 in words is "one hundred twenty-three million, thirteen thousand, three hundred thirty-two".