2047393923 has 4 divisors (see below), whose sum is σ = 2729858568. Its totient is φ = 1364929280.

The previous prime is 2047393919. The next prime is 2047393969. The reversal of 2047393923 is 3293937402.

It is a happy number.

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 2047393923 - 2² = 2047393919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2047393903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341232318 + ... + 341232323.

It is an arithmetic number, because the mean of its divisors is an integer number (682464642).

Almost surely, 2^2047393923 is an apocalyptic number.

2047393923 is a deficient number, since it is larger than the sum of its proper divisors (682464645).

2047393923 is an equidigital number, since it uses as much as digits as its factorization.

2047393923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682464644.

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 2047393923 is about 45248.1372323768. The cubic root of 2047393923 is about 1269.7955574354.

The spelling of 2047393923 in words is "two billion, forty-seven million, three hundred ninety-three thousand, nine hundred twenty-three".