13123305423012 has 24 divisors (see below), whose sum is σ = 30628863570816. Its totient is φ = 4373318343328.

The previous prime is 13123305422933. The next prime is 13123305423047. The reversal of 13123305423012 is 21032450332131.

13123305423012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13123305423012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139550748 + ... + 139644755.

It is an arithmetic number, because the mean of its divisors is an integer number (1276202648784).

Almost surely, 2^{13123305423012} is an apocalyptic number.

13123305423012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123305423012 is an abundant number, since it is smaller than the sum of its proper divisors (17505558147804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13123305423012 is a wasteful number, since it uses less digits than its factorization.

13123305423012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279199427 (or 279199425 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 13123305423012 its reverse (21032450332131), we get a palindrome (34155755755143).

The spelling of 13123305423012 in words is "thirteen trillion, one hundred twenty-three billion, three hundred five million, four hundred twenty-three thousand, twelve".