47231123 has 2 divisors, whose sum is σ = 47231124. Its totient is φ = 47231122.

The previous prime is 47231113. The next prime is 47231137. The reversal of 47231123 is 32113274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47231123 - 2⁸ = 47230867 is a prime.

It is a super-2 number, since 2×47231123² = 4461557959682258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47231113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23615561 + 23615562.

It is an arithmetic number, because the mean of its divisors is an integer number (23615562).

Almost surely, 2^47231123 is an apocalyptic number.

47231123 is a deficient number, since it is larger than the sum of its proper divisors (1).

47231123 is an equidigital number, since it uses as much as digits as its factorization.

47231123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 47231123 is about 6872.4903055588. The cubic root of 47231123 is about 361.4731890277.

Adding to 47231123 its reverse (32113274), we get a palindrome (79344397).

The spelling of 47231123 in words is "forty-seven million, two hundred thirty-one thousand, one hundred twenty-three".