123020322031 has 8 divisors (see below), whose sum is σ = 124043825664. Its totient is φ = 121997675520.

The previous prime is 123020322013. The next prime is 123020322133. The reversal of 123020322031 is 130223020321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123020322031 - 2⁹ = 123020321519 is a prime.

It is a super-2 number, since 2×123020322031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020322431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75591 + ... + 501751.

It is an arithmetic number, because the mean of its divisors is an integer number (15505478208).

Almost surely, 2^123020322031 is an apocalyptic number.

123020322031 is a deficient number, since it is larger than the sum of its proper divisors (1023503633).

123020322031 is a wasteful number, since it uses less digits than its factorization.

123020322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428561.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123020322031 its reverse (130223020321), we get a palindrome (253243342352).

The spelling of 123020322031 in words is "one hundred twenty-three billion, twenty million, three hundred twenty-two thousand, thirty-one".