6309913123 has 4 divisors (see below), whose sum is σ = 6311853720. Its totient is φ = 6307972528.

The previous prime is 6309913121. The next prime is 6309913151. The reversal of 6309913123 is 3213199036.

6309913123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6309913123 - 2¹ = 6309913121 is a prime.

It is a super-2 number, since 2×6309913123² = 79630007239615226258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6309913121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965413 + ... + 971926.

It is an arithmetic number, because the mean of its divisors is an integer number (1577963430).

Almost surely, 2^6309913123 is an apocalyptic number.

6309913123 is a deficient number, since it is larger than the sum of its proper divisors (1940597).

6309913123 is a wasteful number, since it uses less digits than its factorization.

6309913123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940596.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 6309913123 is about 79434.9615912288. The cubic root of 6309913123 is about 1847.8829567175.

The spelling of 6309913123 in words is "six billion, three hundred nine million, nine hundred thirteen thousand, one hundred twenty-three".