10202120323 has 8 divisors (see below), whose sum is σ = 10452447936. Its totient is φ = 9951864000.

The previous prime is 10202120309. The next prime is 10202120339. The reversal of 10202120323 is 32302120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202120323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202120297 and 10202120306.

It is not an unprimeable number, because it can be changed into a prime (10202120303) 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, 378565 + ... + 404617.

It is an arithmetic number, because the mean of its divisors is an integer number (1306555992).

Almost surely, 2^10202120323 is an apocalyptic number.

10202120323 is a deficient number, since it is larger than the sum of its proper divisors (250327613).

10202120323 is an equidigital number, since it uses as much as digits as its factorization.

10202120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35645.

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

Adding to 10202120323 its reverse (32302120201), we get a palindrome (42504240524).

The spelling of 10202120323 in words is "ten billion, two hundred two million, one hundred twenty thousand, three hundred twenty-three".