10202000123 has 8 divisors (see below), whose sum is σ = 11779629792. Its totient is φ = 8654420736.

The previous prime is 10202000117. The next prime is 10202000141. The reversal of 10202000123 is 32100020201.

It is a happy number.

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 10202000123 - 2⁸ = 10201999867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10202000113) 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, 7511840 + ... + 7513197.

It is an arithmetic number, because the mean of its divisors is an integer number (1472453724).

Almost surely, 2^10202000123 is an apocalyptic number.

10202000123 is a deficient number, since it is larger than the sum of its proper divisors (1577629669).

10202000123 is an equidigital number, since it uses as much as digits as its factorization.

10202000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025141.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10202000123 its reverse (32100020201), we get a palindrome (42302020324).

The spelling of 10202000123 in words is "ten billion, two hundred two million, one hundred twenty-three", and thus it is an aban number.