47023903 has 2 divisors, whose sum is σ = 47023904. Its totient is φ = 47023902.

The previous prime is 47023901. The next prime is 47023913. The reversal of 47023903 is 30932074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47023903 - 2¹ = 47023901 is a prime.

It is a super-2 number, since 2×47023903² = 4422494906706818, which contains 22 as substring.

Together with 47023901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47023901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23511951 + 23511952.

It is an arithmetic number, because the mean of its divisors is an integer number (23511952).

Almost surely, 2^47023903 is an apocalyptic number.

47023903 is a deficient number, since it is larger than the sum of its proper divisors (1).

47023903 is an equidigital number, since it uses as much as digits as its factorization.

47023903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 47023903 is about 6857.3976842531. The cubic root of 47023903 is about 360.9437762057.

Adding to 47023903 its reverse (30932074), we get a palindrome (77955977).

The spelling of 47023903 in words is "forty-seven million, twenty-three thousand, nine hundred three".