523404099 has 10 divisors (see below), whose sum is σ = 781875380. Its totient is φ = 348936012.

The previous prime is 523404053. The next prime is 523404107. The reversal of 523404099 is 990404325.

523404099 is a `hidden beast` number, since 523 + 4 + 0 + 40 + 99 = 666.

It is not a de Polignac number, because 523404099 - 2⁷ = 523403971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523404199) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3230809 + ... + 3230970.

It is an arithmetic number, because the mean of its divisors is an integer number (78187538).

Almost surely, 2^523404099 is an apocalyptic number.

523404099 is a deficient number, since it is larger than the sum of its proper divisors (258471281).

523404099 is an equidigital number, since it uses as much as digits as its factorization.

523404099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461791 (or 6461782 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 523404099 is about 22878.0265538792. The cubic root of 523404099 is about 805.8960735371.

The spelling of 523404099 in words is "five hundred twenty-three million, four hundred four thousand, ninety-nine".