3815825123 has 16 divisors (see below), whose sum is σ = 4312292352. Its totient is φ = 3345084000.

The previous prime is 3815825107. The next prime is 3815825131. The reversal of 3815825123 is 3215285183.

It is a cyclic number.

It is not a de Polignac number, because 3815825123 - 2⁴ = 3815825107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3815825723) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 76733 + ... + 116273.

It is an arithmetic number, because the mean of its divisors is an integer number (269518272).

Almost surely, 2^3815825123 is an apocalyptic number.

3815825123 is a deficient number, since it is larger than the sum of its proper divisors (496467229).

3815825123 is a wasteful number, since it uses less digits than its factorization.

3815825123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39866.

The product of its digits is 57600, while the sum is 38.

The square root of 3815825123 is about 61772.3653667237. The cubic root of 3815825123 is about 1562.6539749531.

The spelling of 3815825123 in words is "three billion, eight hundred fifteen million, eight hundred twenty-five thousand, one hundred twenty-three".