10302020123 has 2 divisors, whose sum is σ = 10302020124. Its totient is φ = 10302020122.

The previous prime is 10302020119. The next prime is 10302020159. The reversal of 10302020123 is 32102020301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10302020123 - 2² = 10302020119 is a prime.

It is a super-2 number, since 2×10302020123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10302020098 and 10302020107.

It is not a weakly prime, because it can be changed into another prime (10302020623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151010061 + 5151010062.

It is an arithmetic number, because the mean of its divisors is an integer number (5151010062).

Almost surely, 2^10302020123 is an apocalyptic number.

10302020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302020123 is an equidigital number, since it uses as much as digits as its factorization.

10302020123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10302020123 its reverse (32102020301), we get a palindrome (42404040424).

The spelling of 10302020123 in words is "ten billion, three hundred two million, twenty thousand, one hundred twenty-three".