10202021232223 has 4 divisors (see below), whose sum is σ = 10202029671600. Its totient is φ = 10202012792848.

The previous prime is 10202021232211. The next prime is 10202021232287. The reversal of 10202021232223 is 32223212020201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202021232223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202021232194 and 10202021232203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202021238223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026390 + ... + 4950787.

It is an arithmetic number, because the mean of its divisors is an integer number (2550507417900).

Almost surely, 2^{10202021232223} is an apocalyptic number.

10202021232223 is a deficient number, since it is larger than the sum of its proper divisors (8439377).

10202021232223 is an equidigital number, since it uses as much as digits as its factorization.

10202021232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439376.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10202021232223 its reverse (32223212020201), we get a palindrome (42425233252424).

The spelling of 10202021232223 in words is "ten trillion, two hundred two billion, twenty-one million, two hundred thirty-two thousand, two hundred twenty-three".