4221315423 has 24 divisors (see below), whose sum is σ = 6568733808. Its totient is φ = 2596845312.

The previous prime is 4221315403. The next prime is 4221315431. The reversal of 4221315423 is 3245131224.

4221315423 is a `hidden beast` number, since 4 + 221 + 3 + 15 + 423 = 666.

It is not a de Polignac number, because 4221315423 - 2¹⁴ = 4221299039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221315403) 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, 556311 + ... + 563847.

It is an arithmetic number, because the mean of its divisors is an integer number (273697242).

Almost surely, 2^4221315423 is an apocalyptic number.

4221315423 is a deficient number, since it is larger than the sum of its proper divisors (2347418385).

4221315423 is a wasteful number, since it uses less digits than its factorization.

4221315423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12343 (or 12340 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 4221315423 is about 64971.6509179196. The cubic root of 4221315423 is about 1616.1534792337.

Adding to 4221315423 its reverse (3245131224), we get a palindrome (7466446647).

The spelling of 4221315423 in words is "four billion, two hundred twenty-one million, three hundred fifteen thousand, four hundred twenty-three".