123020033032 has 64 divisors (see below), whose sum is σ = 255305836800. Its totient is φ = 55222801920.

The previous prime is 123020033023. The next prime is 123020033057. The reversal of 123020033032 is 230330020321.

It is a happy number.

It is a super-2 number, since 2×123020033032² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438732 + ... + 662212.

It is an arithmetic number, because the mean of its divisors is an integer number (3989153700).

Almost surely, 2^123020033032 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 123020033032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127652918400).

123020033032 is an abundant number, since it is smaller than the sum of its proper divisors (132285803768).

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

123020033032 is a wasteful number, since it uses less digits than its factorization.

123020033032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223646 (or 223642 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 123020033032 its reverse (230330020321), we get a palindrome (353350053353).

The spelling of 123020033032 in words is "one hundred twenty-three billion, twenty million, thirty-three thousand, thirty-two".