10303210112123 has 2 divisors, whose sum is σ = 10303210112124. Its totient is φ = 10303210112122.

The previous prime is 10303210112119. The next prime is 10303210112147. The reversal of 10303210112123 is 32121101230301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10303210112123 - 2² = 10303210112119 is a prime.

It is a super-2 number, since 2×10303210112123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10303210112095 and 10303210112104.

It is not a weakly prime, because it can be changed into another prime (10303210112023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151605056061 + 5151605056062.

It is an arithmetic number, because the mean of its divisors is an integer number (5151605056062).

Almost surely, 2^{10303210112123} is an apocalyptic number.

10303210112123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10303210112123 is an equidigital number, since it uses as much as digits as its factorization.

10303210112123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10303210112123 its reverse (32121101230301), we get a palindrome (42424311342424).

The spelling of 10303210112123 in words is "ten trillion, three hundred three billion, two hundred ten million, one hundred twelve thousand, one hundred twenty-three".