2047105723 has 4 divisors (see below), whose sum is σ = 2204575408. Its totient is φ = 1889636040.

The previous prime is 2047105717. The next prime is 2047105747. The reversal of 2047105723 is 3275017402.

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 2047105723 - 2⁹ = 2047105211 is a prime.

It is a super-2 number, since 2×2047105723² = 8381283682278705458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2047105793) 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, 78734823 + ... + 78734848.

It is an arithmetic number, because the mean of its divisors is an integer number (551143852).

Almost surely, 2^2047105723 is an apocalyptic number.

2047105723 is a deficient number, since it is larger than the sum of its proper divisors (157469685).

2047105723 is a wasteful number, since it uses less digits than its factorization.

2047105723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157469684.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 2047105723 is about 45244.9524588103. The cubic root of 2047105723 is about 1269.7359740063.

The spelling of 2047105723 in words is "two billion, forty-seven million, one hundred five thousand, seven hundred twenty-three".