10200302123 has 4 divisors (see below), whose sum is σ = 11127602328. Its totient is φ = 9273001920.

The previous prime is 10200302113. The next prime is 10200302129. The reversal of 10200302123 is 32120300201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10200302123 - 2⁶ = 10200302059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200302098 and 10200302107.

It is not an unprimeable number, because it can be changed into a prime (10200302129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463650086 + ... + 463650107.

It is an arithmetic number, because the mean of its divisors is an integer number (2781900582).

Almost surely, 2^10200302123 is an apocalyptic number.

10200302123 is a deficient number, since it is larger than the sum of its proper divisors (927300205).

10200302123 is an equidigital number, since it uses as much as digits as its factorization.

10200302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927300204.

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

Adding to 10200302123 its reverse (32120300201), we get a palindrome (42320602324).

The spelling of 10200302123 in words is "ten billion, two hundred million, three hundred two thousand, one hundred twenty-three".