47923229 has 4 divisors (see below), whose sum is σ = 47969376. Its totient is φ = 47877084.

The previous prime is 47923223. The next prime is 47923231. The reversal of 47923229 is 92232974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47923229 - 2²⁴ = 31146013 is a prime.

It is a super-4 number, since 4×47923229⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47923192 and 47923201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47923223) 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, 21479 + ... + 23604.

It is an arithmetic number, because the mean of its divisors is an integer number (11992344).

Almost surely, 2^47923229 is an apocalyptic number.

It is an amenable number.

47923229 is a deficient number, since it is larger than the sum of its proper divisors (46147).

47923229 is a wasteful number, since it uses less digits than its factorization.

47923229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46146.

The product of its digits is 54432, while the sum is 38.

The square root of 47923229 is about 6922.6605434616. The cubic root of 47923229 is about 363.2302621716.

The spelling of 47923229 in words is "forty-seven million, nine hundred twenty-three thousand, two hundred twenty-nine".