10121012323 has 4 divisors (see below), whose sum is σ = 10138254840. Its totient is φ = 10103769808.

The previous prime is 10121012303. The next prime is 10121012327. The reversal of 10121012323 is 32321012101.

10121012323 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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 10121012323 - 2²¹ = 10118915171 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121012297 and 10121012306.

It is not an unprimeable number, because it can be changed into a prime (10121012327) 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, 8620378 + ... + 8621551.

It is an arithmetic number, because the mean of its divisors is an integer number (2534563710).

Almost surely, 2^10121012323 is an apocalyptic number.

10121012323 is a deficient number, since it is larger than the sum of its proper divisors (17242517).

10121012323 is an equidigital number, since it uses as much as digits as its factorization.

10121012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17242516.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10121012323 its reverse (32321012101), we get a palindrome (42442024424).

The spelling of 10121012323 in words is "ten billion, one hundred twenty-one million, twelve thousand, three hundred twenty-three".