1934512343 has 4 divisors (see below), whose sum is σ = 1937152248. Its totient is φ = 1931872440.

The previous prime is 1934512273. The next prime is 1934512361. The reversal of 1934512343 is 3432154391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3432154391 = 389 ⋅8823019.

It is a cyclic number.

It is not a de Polignac number, because 1934512343 - 2²⁰ = 1933463767 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 (1934511343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318853 + ... + 1320318.

It is an arithmetic number, because the mean of its divisors is an integer number (484288062).

Almost surely, 2^1934512343 is an apocalyptic number.

1934512343 is a deficient number, since it is larger than the sum of its proper divisors (2639905).

1934512343 is an equidigital number, since it uses as much as digits as its factorization.

1934512343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639904.

The product of its digits is 38880, while the sum is 35.

The square root of 1934512343 is about 43983.0915580067. The cubic root of 1934512343 is about 1246.0166194675.

The spelling of 1934512343 in words is "one billion, nine hundred thirty-four million, five hundred twelve thousand, three hundred forty-three".