528494123 has 6 divisors (see below), whose sum is σ = 541072404. Its totient is φ = 516201756.

The previous prime is 528494119. The next prime is 528494137. The reversal of 528494123 is 321494825.

It is not a de Polignac number, because 528494123 - 2² = 528494119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528494143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141065 + ... + 144762.

It is an arithmetic number, because the mean of its divisors is an integer number (90178734).

Almost surely, 2^528494123 is an apocalyptic number.

528494123 is a deficient number, since it is larger than the sum of its proper divisors (12578281).

528494123 is an equidigital number, since it uses as much as digits as its factorization.

528494123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285913 (or 285870 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 528494123 is about 22989.0000434991. Note that the first 4 decimals coincide. The cubic root of 528494123 is about 808.5000555197.

The spelling of 528494123 in words is "five hundred twenty-eight million, four hundred ninety-four thousand, one hundred twenty-three".