190311211230323 has 4 divisors (see below), whose sum is σ = 190311379322928. Its totient is φ = 190311043137720.

The previous prime is 190311211230307. The next prime is 190311211230367. The reversal of 190311211230323 is 323032112113091.

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 190311211230323 - 2⁴ = 190311211230307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190311211230323.

It is not an unprimeable number, because it can be changed into a prime (190311211230373) 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, 82336436 + ... + 84616257.

It is an arithmetic number, because the mean of its divisors is an integer number (47577844830732).

Almost surely, 2^{190311211230323} is an apocalyptic number.

190311211230323 is a deficient number, since it is larger than the sum of its proper divisors (168092605).

190311211230323 is a wasteful number, since it uses less digits than its factorization.

190311211230323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168092604.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 190311211230323 in words is "one hundred ninety trillion, three hundred eleven billion, two hundred eleven million, two hundred thirty thousand, three hundred twenty-three".