4123823090 has 16 divisors (see below), whose sum is σ = 7423621272. Its totient is φ = 1649364864.

The previous prime is 4123823063. The next prime is 4123823101. The reversal of 4123823090 is 903283214.

It is a happy number.

It is a Cunningham number, because it is equal to 64217²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3884904241 + 238918849 = 62329^2 + 15457^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162332 + ... + 186008.

Almost surely, 2^4123823090 is an apocalyptic number.

4123823090 is a deficient number, since it is larger than the sum of its proper divisors (3299798182).

4123823090 is a wasteful number, since it uses less digits than its factorization.

4123823090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41101.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4123823090 is about 64217.0000077861. Note that the first 5 decimals coincide. The cubic root of 4123823090 is about 1603.6146260767.

The spelling of 4123823090 in words is "four billion, one hundred twenty-three million, eight hundred twenty-three thousand, ninety".