1020103312123 has 8 divisors (see below), whose sum is σ = 1183232840192. Its totient is φ = 861323904936.

The previous prime is 1020103312097. The next prime is 1020103312169. The reversal of 1020103312123 is 3212133010201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020103312123 - 2³⁷ = 882664358651 is a prime.

It is a super-2 number, since 2×1020103312123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020103312123.

It is not an unprimeable number, because it can be changed into a prime (1020103312223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087529715 + ... + 1087530652.

It is an arithmetic number, because the mean of its divisors is an integer number (147904105024).

Almost surely, 2^{1020103312123} is an apocalyptic number.

1020103312123 is a deficient number, since it is larger than the sum of its proper divisors (163129528069).

1020103312123 is an equidigital number, since it uses as much as digits as its factorization.

1020103312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175060441.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1020103312123 its reverse (3212133010201), we get a palindrome (4232236322324).

The spelling of 1020103312123 in words is "one trillion, twenty billion, one hundred three million, three hundred twelve thousand, one hundred twenty-three".