2031323220123 has 8 divisors (see below), whose sum is σ = 2708512206336. Its totient is φ = 1354174857000.

The previous prime is 2031323220119. The next prime is 2031323220131. The reversal of 2031323220123 is 3210223231302.

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

It is not a de Polignac number, because 2031323220123 - 2² = 2031323220119 is a prime.

It is a super-2 number, since 2×2031323220123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031323220093 and 2031323220102.

It is not an unprimeable number, because it can be changed into a prime (2031323220523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10038903 + ... + 10239248.

It is an arithmetic number, because the mean of its divisors is an integer number (338564025792).

Almost surely, 2^{2031323220123} is an apocalyptic number.

2031323220123 is a deficient number, since it is larger than the sum of its proper divisors (677188986213).

2031323220123 is a wasteful number, since it uses less digits than its factorization.

2031323220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20311545.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2031323220123 its reverse (3210223231302), we get a palindrome (5241546451425).

The spelling of 2031323220123 in words is "two trillion, thirty-one billion, three hundred twenty-three million, two hundred twenty thousand, one hundred twenty-three".