47086723 has 4 divisors (see below), whose sum is σ = 47126448. Its totient is φ = 47047000.

The previous prime is 47086709. The next prime is 47086747. The reversal of 47086723 is 32768074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32768074 = 2 ⋅16384037.

It is a cyclic number.

It is not a de Polignac number, because 47086723 - 2⁹ = 47086211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47086223) 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, 18028 + ... + 20473.

It is an arithmetic number, because the mean of its divisors is an integer number (11781612).

Almost surely, 2^47086723 is an apocalyptic number.

47086723 is a deficient number, since it is larger than the sum of its proper divisors (39725).

47086723 is a wasteful number, since it uses less digits than its factorization.

47086723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39724.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 47086723 is about 6861.9766102778. The cubic root of 47086723 is about 361.1044349132.

The spelling of 47086723 in words is "forty-seven million, eighty-six thousand, seven hundred twenty-three".