7209429423 has 8 divisors (see below), whose sum is σ = 10985797248. Its totient is φ = 4119673944.

The previous prime is 7209429413. The next prime is 7209429431. The reversal of 7209429423 is 3249249027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7209429423 - 2¹⁰ = 7209428399 is a prime.

It is a super-2 number, since 2×7209429423² (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 (7209429413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171653061 + ... + 171653102.

It is an arithmetic number, because the mean of its divisors is an integer number (1373224656).

Almost surely, 2^7209429423 is an apocalyptic number.

7209429423 is a deficient number, since it is larger than the sum of its proper divisors (3776367825).

7209429423 is a wasteful number, since it uses less digits than its factorization.

7209429423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343306173.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 7209429423 is about 84908.3589701273. The cubic root of 7209429423 is about 1931.8213651713.

The spelling of 7209429423 in words is "seven billion, two hundred nine million, four hundred twenty-nine thousand, four hundred twenty-three".