47121303 has 4 divisors (see below), whose sum is σ = 62828408. Its totient is φ = 31414200.

The previous prime is 47121253. The next prime is 47121329. The reversal of 47121303 is 30312174.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47121303 - 2⁸ = 47121047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47121303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47121383) 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, 7853548 + ... + 7853553.

It is an arithmetic number, because the mean of its divisors is an integer number (15707102).

Almost surely, 2^47121303 is an apocalyptic number.

47121303 is a deficient number, since it is larger than the sum of its proper divisors (15707105).

47121303 is a wasteful number, since it uses less digits than its factorization.

47121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15707104.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 47121303 is about 6864.4958299936. The cubic root of 47121303 is about 361.1928103974.

Adding to 47121303 its reverse (30312174), we get a palindrome (77433477).

The spelling of 47121303 in words is "forty-seven million, one hundred twenty-one thousand, three hundred three".