7839450423 has 24 divisors (see below), whose sum is σ = 13040117376. Its totient is φ = 4445485200.

The previous prime is 7839450401. The next prime is 7839450467. The reversal of 7839450423 is 3240549387.

It is not a de Polignac number, because 7839450423 - 2⁵ = 7839450391 is a prime.

It is a super-2 number, since 2×7839450423² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7839450473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466693 + ... + 483198.

It is an arithmetic number, because the mean of its divisors is an integer number (543338224).

Almost surely, 2^7839450423 is an apocalyptic number.

7839450423 is a deficient number, since it is larger than the sum of its proper divisors (5200666953).

7839450423 is a wasteful number, since it uses less digits than its factorization.

7839450423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950035 (or 950032 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 7839450423 is about 88540.6710105588. The cubic root of 7839450423 is about 1986.5303565877.

The spelling of 7839450423 in words is "seven billion, eight hundred thirty-nine million, four hundred fifty thousand, four hundred twenty-three".