4521223400431 has 4 divisors (see below), whose sum is σ = 4521264766200. Its totient is φ = 4521182034664.

The previous prime is 4521223400411. The next prime is 4521223400437. The reversal of 4521223400431 is 1340043221254.

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 4521223400431 - 2⁵ = 4521223400399 is a prime.

It is a super-2 number, since 2×4521223400431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4521223400393 and 4521223400402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521223400437) 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, 20518501 + ... + 20737678.

It is an arithmetic number, because the mean of its divisors is an integer number (1130316191550).

Almost surely, 2^{4521223400431} is an apocalyptic number.

4521223400431 is a deficient number, since it is larger than the sum of its proper divisors (41365769).

4521223400431 is a wasteful number, since it uses less digits than its factorization.

4521223400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41365768.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 4521223400431 its reverse (1340043221254), we get a palindrome (5861266621685).

The spelling of 4521223400431 in words is "four trillion, five hundred twenty-one billion, two hundred twenty-three million, four hundred thousand, four hundred thirty-one".