7315804123 has 16 divisors (see below), whose sum is σ = 7828596864. Its totient is φ = 6812490880.

The previous prime is 7315804091. The next prime is 7315804159. The reversal of 7315804123 is 3214085137.

It is a cyclic number.

It is not a de Polignac number, because 7315804123 - 2⁵ = 7315804091 is a prime.

It is a super-2 number, since 2×7315804123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7315804163) 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, 768036 + ... + 777502.

It is an arithmetic number, because the mean of its divisors is an integer number (489287304).

Almost surely, 2^7315804123 is an apocalyptic number.

7315804123 is a deficient number, since it is larger than the sum of its proper divisors (512792741).

7315804123 is a wasteful number, since it uses less digits than its factorization.

7315804123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9962.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 7315804123 is about 85532.4740844084. The cubic root of 7315804123 is about 1941.2763170216.

The spelling of 7315804123 in words is "seven billion, three hundred fifteen million, eight hundred four thousand, one hundred twenty-three".