10921310423 has 4 divisors (see below), whose sum is σ = 10961910360. Its totient is φ = 10880710488.

The previous prime is 10921310401. The next prime is 10921310437. The reversal of 10921310423 is 32401312901.

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 10921310423 - 2⁶ = 10921310359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10921310392 and 10921310401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10921310473) 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, 20299565 + ... + 20300102.

It is an arithmetic number, because the mean of its divisors is an integer number (2740477590).

Almost surely, 2^10921310423 is an apocalyptic number.

10921310423 is a deficient number, since it is larger than the sum of its proper divisors (40599937).

10921310423 is an equidigital number, since it uses as much as digits as its factorization.

10921310423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40599936.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 10921310423 in words is "ten billion, nine hundred twenty-one million, three hundred ten thousand, four hundred twenty-three".