1323123010031 has 8 divisors (see below), whose sum is σ = 1324828521024. Its totient is φ = 1321418259360.

The previous prime is 1323123009997. The next prime is 1323123010043. The reversal of 1323123010031 is 1300103213231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323123010031 is a prime.

It is a super-2 number, since 2×1323123010031² (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 = 1323123009985 and 1323123010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323123010081) 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, 3334586 + ... + 3710216.

It is an arithmetic number, because the mean of its divisors is an integer number (165603565128).

Almost surely, 2^{1323123010031} is an apocalyptic number.

1323123010031 is a deficient number, since it is larger than the sum of its proper divisors (1705510993).

1323123010031 is an equidigital number, since it uses as much as digits as its factorization.

1323123010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380161.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1323123010031 its reverse (1300103213231), we get a palindrome (2623226223262).

The spelling of 1323123010031 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-three million, ten thousand, thirty-one".