1323123303031 has 12 divisors (see below), whose sum is σ = 1337796671112. Its totient is φ = 1308608878848.

The previous prime is 1323123302999. The next prime is 1323123303083. The reversal of 1323123303031 is 1303033213231.

It is not a de Polignac number, because 1323123303031 - 2⁵ = 1323123302999 is a prime.

It is a super-2 number, since 2×1323123303031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323123302987 and 1323123303005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323123303431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14283741 + ... + 14376073.

It is an arithmetic number, because the mean of its divisors is an integer number (111483055926).

Almost surely, 2^{1323123303031} is an apocalyptic number.

1323123303031 is a deficient number, since it is larger than the sum of its proper divisors (14673368081).

1323123303031 is an frugal number, since it uses more digits than its factorization.

1323123303031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94050 (or 93953 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1323123303031 its reverse (1303033213231), we get a palindrome (2626156516262).

It can be divided in two parts, 132312 and 3303031, that added together give a palindrome (3435343).

The spelling of 1323123303031 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-three million, three hundred three thousand, thirty-one".