7431641223 has 4 divisors (see below), whose sum is σ = 9908854968. Its totient is φ = 4954427480.

The previous prime is 7431641207. The next prime is 7431641227. The reversal of 7431641223 is 3221461347.

7431641223 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 7431641223 - 2⁴ = 7431641207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7431641227) 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, 1238606868 + ... + 1238606873.

It is an arithmetic number, because the mean of its divisors is an integer number (2477213742).

Almost surely, 2^7431641223 is an apocalyptic number.

7431641223 is a deficient number, since it is larger than the sum of its proper divisors (2477213745).

7431641223 is a wasteful number, since it uses less digits than its factorization.

7431641223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477213744.

The product of its digits is 24192, while the sum is 33.

The square root of 7431641223 is about 86206.9673692330. The cubic root of 7431641223 is about 1951.4686479781.

The spelling of 7431641223 in words is "seven billion, four hundred thirty-one million, six hundred forty-one thousand, two hundred twenty-three".