103020313123 has 16 divisors (see below), whose sum is σ = 134252717760. Its totient is φ = 76715836416.

The previous prime is 103020313091. The next prime is 103020313141. The reversal of 103020313123 is 321313020301.

It is a cyclic number.

It is not a de Polignac number, because 103020313123 - 2⁵ = 103020313091 is a prime.

It is a super-2 number, since 2×103020313123² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103020313123.

It is not an unprimeable number, because it can be changed into a prime (103020313183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33295258 + ... + 33298351.

It is an arithmetic number, because the mean of its divisors is an integer number (8390794860).

Almost surely, 2^103020313123 is an apocalyptic number.

103020313123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103020313123 is a deficient number, since it is larger than the sum of its proper divisors (31232404637).

103020313123 is a wasteful number, since it uses less digits than its factorization.

103020313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66593646.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103020313123 its reverse (321313020301), we get a palindrome (424333333424).

The spelling of 103020313123 in words is "one hundred three billion, twenty million, three hundred thirteen thousand, one hundred twenty-three".