123330313013 has 4 divisors (see below), whose sum is σ = 123883363968. Its totient is φ = 122777262060.

The previous prime is 123330313003. The next prime is 123330313019. The reversal of 123330313013 is 310313033321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310313033321 = 20117 ⋅15425413.

It is a cyclic number.

It is not a de Polignac number, because 123330313013 - 2²⁸ = 123061877557 is a prime.

It is a super-2 number, since 2×123330313013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123330313013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123330313019) 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, 276525143 + ... + 276525588.

It is an arithmetic number, because the mean of its divisors is an integer number (30970840992).

Almost surely, 2^123330313013 is an apocalyptic number.

It is an amenable number.

123330313013 is a deficient number, since it is larger than the sum of its proper divisors (553050955).

123330313013 is an equidigital number, since it uses as much as digits as its factorization.

123330313013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553050954.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 123330313013 its reverse (310313033321), we get a palindrome (433643346334).

The spelling of 123330313013 in words is "one hundred twenty-three billion, three hundred thirty million, three hundred thirteen thousand, thirteen".