123001023013 has 4 divisors (see below), whose sum is σ = 134182934208. Its totient is φ = 111819111820.

The previous prime is 123001022999. The next prime is 123001023031. The reversal of 123001023013 is 310320100321.

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.

It is a cyclic number.

It is not a de Polignac number, because 123001023013 - 2²⁵ = 122967468581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001026013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5590955581 + ... + 5590955602.

It is an arithmetic number, because the mean of its divisors is an integer number (33545733552).

Almost surely, 2^123001023013 is an apocalyptic number.

It is an amenable number.

123001023013 is a deficient number, since it is larger than the sum of its proper divisors (11181911195).

123001023013 is a wasteful number, since it uses less digits than its factorization.

123001023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11181911194.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123001023013 its reverse (310320100321), we get a palindrome (433321123334).

The spelling of 123001023013 in words is "one hundred twenty-three billion, one million, twenty-three thousand, thirteen".