7431429123 has 6 divisors (see below), whose sum is σ = 10734286524. Its totient is φ = 4954286076.

The previous prime is 7431429107. The next prime is 7431429149. The reversal of 7431429123 is 3219241347.

It is a happy number.

7431429123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7431429123 - 2⁴ = 7431429107 is a prime.

It is a super-2 number, since 2×7431429123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7431429323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 412857165 + ... + 412857182.

It is an arithmetic number, because the mean of its divisors is an integer number (1789047754).

Almost surely, 2^7431429123 is an apocalyptic number.

7431429123 is a deficient number, since it is larger than the sum of its proper divisors (3302857401).

7431429123 is a wasteful number, since it uses less digits than its factorization.

7431429123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825714353 (or 825714350 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 7431429123 is about 86205.7371814661. The cubic root of 7431429123 is about 1951.4500827457.

The spelling of 7431429123 in words is "seven billion, four hundred thirty-one million, four hundred twenty-nine thousand, one hundred twenty-three".