10302040123 has 2 divisors, whose sum is σ = 10302040124. Its totient is φ = 10302040122.

The previous prime is 10302040117. The next prime is 10302040139. The reversal of 10302040123 is 32104020301.

It is a happy number.

It is an a-pointer prime, because the next prime (10302040139) can be obtained adding 10302040123 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10302040123 - 2²¹ = 10299942971 is a prime.

It is a super-2 number, since 2×10302040123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10302040097 and 10302040106.

It is not a weakly prime, because it can be changed into another prime (10302040223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151020061 + 5151020062.

It is an arithmetic number, because the mean of its divisors is an integer number (5151020062).

Almost surely, 2^10302040123 is an apocalyptic number.

10302040123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302040123 is an equidigital number, since it uses as much as digits as its factorization.

10302040123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10302040123 its reverse (32104020301), we get a palindrome (42406060424).

The spelling of 10302040123 in words is "ten billion, three hundred two million, forty thousand, one hundred twenty-three".