123020031032 has 16 divisors (see below), whose sum is σ = 230701213800. Its totient is φ = 61499707360.

The previous prime is 123020031031. The next prime is 123020031037. The reversal of 123020031032 is 230130020321.

It is a super-2 number, since 2×123020031032² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123020031032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020031031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237682 + ... + 1333377.

Almost surely, 2^123020031032 is an apocalyptic number.

It is an amenable number.

123020031032 is a deficient number, since it is larger than the sum of its proper divisors (107681182768).

123020031032 is a wasteful number, since it uses less digits than its factorization.

123020031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577046 (or 2577042 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123020031032 its reverse (230130020321), we get a palindrome (353150051353).

The spelling of 123020031032 in words is "one hundred twenty-three billion, twenty million, thirty-one thousand, thirty-two".