123103322013 has 16 divisors (see below), whose sum is σ = 187597814400. Its totient is φ = 70340330496.

The previous prime is 123103321969. The next prime is 123103322033. The reversal of 123103322013 is 310223301321.

It is not a de Polignac number, because 123103322013 - 2¹⁸ = 123103059869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123103322033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173581 + ... + 525677.

It is an arithmetic number, because the mean of its divisors is an integer number (11724863400).

Almost surely, 2^123103322013 is an apocalyptic number.

It is an amenable number.

123103322013 is a deficient number, since it is larger than the sum of its proper divisors (64494492387).

123103322013 is a wasteful number, since it uses less digits than its factorization.

123103322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368756.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123103322013 its reverse (310223301321), we get a palindrome (433326623334).

The spelling of 123103322013 in words is "one hundred twenty-three billion, one hundred three million, three hundred twenty-two thousand, thirteen".