10121111323 has 8 divisors (see below), whose sum is σ = 10238221440. Its totient is φ = 10004332800.

The previous prime is 10121111317. The next prime is 10121111333. The reversal of 10121111323 is 32311112101.

It is a happy number.

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

It is not a de Polignac number, because 10121111323 - 2¹³ = 10121103131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121111297 and 10121111306.

It is not an unprimeable number, because it can be changed into a prime (10121111333) 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 7 ways as a sum of consecutive naturals, for example, 21238 + ... + 143851.

It is an arithmetic number, because the mean of its divisors is an integer number (1279777680).

Almost surely, 2^10121111323 is an apocalyptic number.

10121111323 is a deficient number, since it is larger than the sum of its proper divisors (117110117).

10121111323 is a wasteful number, since it uses less digits than its factorization.

10121111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165797.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10121111323 its reverse (32311112101), we get a palindrome (42432223424).

The spelling of 10121111323 in words is "ten billion, one hundred twenty-one million, one hundred eleven thousand, three hundred twenty-three".