47725123 has 2 divisors, whose sum is σ = 47725124. Its totient is φ = 47725122.

The previous prime is 47725121. The next prime is 47725177. The reversal of 47725123 is 32152774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47725123 - 2¹ = 47725121 is a prime.

Together with 47725121, it forms a pair of twin primes.

It is equal to p_2872624 and since 47725123 and 2872624 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47725121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23862561 + 23862562.

It is an arithmetic number, because the mean of its divisors is an integer number (23862562).

Almost surely, 2^47725123 is an apocalyptic number.

47725123 is a deficient number, since it is larger than the sum of its proper divisors (1).

47725123 is an equidigital number, since it uses as much as digits as its factorization.

47725123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 47725123 is about 6908.3372094883. The cubic root of 47725123 is about 362.7290614102.

Adding to 47725123 its reverse (32152774), we get a palindrome (79877897).

It can be divided in two parts, 477 and 25123, that added together give a square (25600 = 160²).

The spelling of 47725123 in words is "forty-seven million, seven hundred twenty-five thousand, one hundred twenty-three".