47247723 has 12 divisors (see below), whose sum is σ = 68316768. Its totient is φ = 31466160.

The previous prime is 47247719. The next prime is 47247763. The reversal of 47247723 is 32774274.

It is not a de Polignac number, because 47247723 - 2² = 47247719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47247713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9438 + ... + 13548.

It is an arithmetic number, because the mean of its divisors is an integer number (5693064).

Almost surely, 2^47247723 is an apocalyptic number.

47247723 is a deficient number, since it is larger than the sum of its proper divisors (21069045).

47247723 is a wasteful number, since it uses less digits than its factorization.

47247723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394 (or 5391 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 47247723 is about 6873.6979130596. The cubic root of 47247723 is about 361.5155322378.

The spelling of 47247723 in words is "forty-seven million, two hundred forty-seven thousand, seven hundred twenty-three".