528123099 has 32 divisors (see below), whose sum is σ = 842174464. Its totient is φ = 288023040.

The previous prime is 528123053. The next prime is 528123121. The reversal of 528123099 is 990321825.

It is not a de Polignac number, because 528123099 - 2¹³ = 528114907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528123019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41967 + ... + 53079.

It is an arithmetic number, because the mean of its divisors is an integer number (26317952).

Almost surely, 2^528123099 is an apocalyptic number.

528123099 is a deficient number, since it is larger than the sum of its proper divisors (314051365).

528123099 is a wasteful number, since it uses less digits than its factorization.

528123099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11227.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 528123099 is about 22980.9290282182. The cubic root of 528123099 is about 808.3108114413.

The spelling of 528123099 in words is "five hundred twenty-eight million, one hundred twenty-three thousand, ninety-nine".