47387323 has 4 divisors (see below), whose sum is σ = 47422048. Its totient is φ = 47352600.

The previous prime is 47387321. The next prime is 47387359. The reversal of 47387323 is 32378374.

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 47387323 - 2¹ = 47387321 is a prime.

It is a super-2 number, since 2×47387323² = 4491116762212658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47387321) 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, 15228 + ... + 18073.

It is an arithmetic number, because the mean of its divisors is an integer number (11855512).

Almost surely, 2^47387323 is an apocalyptic number.

47387323 is a deficient number, since it is larger than the sum of its proper divisors (34725).

47387323 is a wasteful number, since it uses less digits than its factorization.

47387323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34724.

The product of its digits is 84672, while the sum is 37.

The square root of 47387323 is about 6883.8450737942. The cubic root of 47387323 is about 361.8712315325.

The spelling of 47387323 in words is "forty-seven million, three hundred eighty-seven thousand, three hundred twenty-three".