1912456209323 has 4 divisors (see below), whose sum is σ = 2086315864728. Its totient is φ = 1738596553920.

The previous prime is 1912456209289. The next prime is 1912456209371. The reversal of 1912456209323 is 3239026542191.

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 1912456209323 - 2¹⁴ = 1912456192939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1912456209823) 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, 86929827686 + ... + 86929827707.

It is an arithmetic number, because the mean of its divisors is an integer number (521578966182).

Almost surely, 2^{1912456209323} is an apocalyptic number.

1912456209323 is a deficient number, since it is larger than the sum of its proper divisors (173859655405).

1912456209323 is a wasteful number, since it uses less digits than its factorization.

1912456209323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173859655404.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 1912456209323 in words is "one trillion, nine hundred twelve billion, four hundred fifty-six million, two hundred nine thousand, three hundred twenty-three".