123130213303 has 4 divisors (see below), whose sum is σ = 123645402720. Its totient is φ = 122615023888.

The previous prime is 123130213273. The next prime is 123130213321. The reversal of 123130213303 is 303312031321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123130213303 is a prime.

It is a super-2 number, since 2×123130213303² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130213103) 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, 257594350 + ... + 257594827.

It is an arithmetic number, because the mean of its divisors is an integer number (30911350680).

Almost surely, 2^123130213303 is an apocalyptic number.

123130213303 is a deficient number, since it is larger than the sum of its proper divisors (515189417).

123130213303 is an equidigital number, since it uses as much as digits as its factorization.

123130213303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515189416.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123130213303 its reverse (303312031321), we get a palindrome (426442244624).

The spelling of 123130213303 in words is "one hundred twenty-three billion, one hundred thirty million, two hundred thirteen thousand, three hundred three".