47206723 has 4 divisors (see below), whose sum is σ = 47242288. Its totient is φ = 47171160.

The previous prime is 47206717. The next prime is 47206727. The reversal of 47206723 is 32760274.

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 47206723 - 2²⁵ = 13652291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47206727) 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, 15711 + ... + 18472.

It is an arithmetic number, because the mean of its divisors is an integer number (11810572).

Almost surely, 2^47206723 is an apocalyptic number.

47206723 is a deficient number, since it is larger than the sum of its proper divisors (35565).

47206723 is a wasteful number, since it uses less digits than its factorization.

47206723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35564.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 47206723 is about 6870.7148827469. The cubic root of 47206723 is about 361.4109315972.

Adding to 47206723 its reverse (32760274), we get a palindrome (79966997).

The spelling of 47206723 in words is "forty-seven million, two hundred six thousand, seven hundred twenty-three".