47942723 has 4 divisors (see below), whose sum is σ = 48017928. Its totient is φ = 47867520.

The previous prime is 47942717. The next prime is 47942729. The reversal of 47942723 is 32724974.

47942723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32724974 = 2 ⋅16362487.

It is an interprime number because it is at equal distance from previous prime (47942717) and next prime (47942729).

It is a cyclic number.

It is not a de Polignac number, because 47942723 - 2⁴ = 47942707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47942729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36638 + ... + 37923.

It is an arithmetic number, because the mean of its divisors is an integer number (12004482).

Almost surely, 2^47942723 is an apocalyptic number.

47942723 is a deficient number, since it is larger than the sum of its proper divisors (75205).

47942723 is an equidigital number, since it uses as much as digits as its factorization.

47942723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75204.

The product of its digits is 84672, while the sum is 38.

The square root of 47942723 is about 6924.0683849887. The cubic root of 47942723 is about 363.2795065638.

The spelling of 47942723 in words is "forty-seven million, nine hundred forty-two thousand, seven hundred twenty-three".