10121202323 has 4 divisors (see below), whose sum is σ = 10124011920. Its totient is φ = 10118392728.

The previous prime is 10121202319. The next prime is 10121202337. The reversal of 10121202323 is 32320212101.

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 10121202323 - 2² = 10121202319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121202383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399388 + ... + 1406601.

It is an arithmetic number, because the mean of its divisors is an integer number (2531002980).

Almost surely, 2^10121202323 is an apocalyptic number.

10121202323 is a deficient number, since it is larger than the sum of its proper divisors (2809597).

10121202323 is an equidigital number, since it uses as much as digits as its factorization.

10121202323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809596.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10121202323 its reverse (32320212101), we get a palindrome (42441414424).

The spelling of 10121202323 in words is "ten billion, one hundred twenty-one million, two hundred two thousand, three hundred twenty-three".