4221234523 has 8 divisors (see below), whose sum is σ = 4606030656. Its totient is φ = 3836613000.

The previous prime is 4221234469. The next prime is 4221234533. The reversal of 4221234523 is 3254321224.

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

It is not a de Polignac number, because 4221234523 - 2²¹ = 4219137371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4221234491 and 4221234500.

It is not an unprimeable number, because it can be changed into a prime (4221234533) 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, 9748 + ... + 92398.

It is an arithmetic number, because the mean of its divisors is an integer number (575753832).

Almost surely, 2^4221234523 is an apocalyptic number.

4221234523 is a deficient number, since it is larger than the sum of its proper divisors (384796133).

4221234523 is a wasteful number, since it uses less digits than its factorization.

4221234523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87305.

The product of its digits is 11520, while the sum is 28.

The square root of 4221234523 is about 64971.0283357128. The cubic root of 4221234523 is about 1616.1431548334.

Adding to 4221234523 its reverse (3254321224), we get a palindrome (7475555747).

The spelling of 4221234523 in words is "four billion, two hundred twenty-one million, two hundred thirty-four thousand, five hundred twenty-three".