47152723 has 4 divisors (see below), whose sum is σ = 47166760. Its totient is φ = 47138688.

The previous prime is 47152711. The next prime is 47152751. The reversal of 47152723 is 32725174.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32725174 = 2 ⋅16362587.

It is a cyclic number.

It is not a de Polignac number, because 47152723 - 2¹⁷ = 47021651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47152793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336 + ... + 9802.

It is an arithmetic number, because the mean of its divisors is an integer number (11791690).

Almost surely, 2^47152723 is an apocalyptic number.

47152723 is a deficient number, since it is larger than the sum of its proper divisors (14037).

47152723 is an equidigital number, since it uses as much as digits as its factorization.

47152723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14036.

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

The square root of 47152723 is about 6866.7840362138. The cubic root of 47152723 is about 361.2730724439.

Adding to 47152723 its reverse (32725174), we get a palindrome (79877897).

The spelling of 47152723 in words is "forty-seven million, one hundred fifty-two thousand, seven hundred twenty-three".