123022032 has 80 divisors (see below), whose sum is σ = 379023360. Its totient is φ = 33618816.

The previous prime is 123022007. The next prime is 123022037. The reversal of 123022032 is 230220321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123022037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232 + ... + 15687.

It is an arithmetic number, because the mean of its divisors is an integer number (4737792).

Almost surely, 2^123022032 is an apocalyptic number.

123022032 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 123022032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189511680).

123022032 is an abundant number, since it is smaller than the sum of its proper divisors (256001328).

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

123022032 is a wasteful number, since it uses less digits than its factorization.

123022032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15960 (or 15954 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 123022032 is about 11091.5297412034. The cubic root of 123022032 is about 497.3486751363.

Adding to 123022032 its reverse (230220321), we get a palindrome (353242353).

The spelling of 123022032 in words is "one hundred twenty-three million, twenty-two thousand, thirty-two".