192540343 has 4 divisors (see below), whose sum is σ = 193307688. Its totient is φ = 191773000.

The previous prime is 192540323. The next prime is 192540377. The reversal of 192540343 is 343045291.

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 192540343 - 2¹⁷ = 192409271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192540323) 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, 383296 + ... + 383797.

It is an arithmetic number, because the mean of its divisors is an integer number (48326922).

Almost surely, 2^192540343 is an apocalyptic number.

192540343 is a deficient number, since it is larger than the sum of its proper divisors (767345).

192540343 is an equidigital number, since it uses as much as digits as its factorization.

192540343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767344.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 192540343 is about 13875.8907101490. The cubic root of 192540343 is about 577.4405083547.

The spelling of 192540343 in words is "one hundred ninety-two million, five hundred forty thousand, three hundred forty-three".