4221552043123 has 8 divisors (see below), whose sum is σ = 4226362161840. Its totient is φ = 4216743248160.

The previous prime is 4221552043097. The next prime is 4221552043157. The reversal of 4221552043123 is 3213402551224.

4221552043123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4221552043123 - 2⁹ = 4221552042611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221552043183) 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, 6122388 + ... + 6776926.

It is an arithmetic number, because the mean of its divisors is an integer number (528295270230).

Almost surely, 2^{4221552043123} is an apocalyptic number.

4221552043123 is a deficient number, since it is larger than the sum of its proper divisors (4810118717).

4221552043123 is a wasteful number, since it uses less digits than its factorization.

4221552043123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661877.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 4221552043123 its reverse (3213402551224), we get a palindrome (7434954594347).

The spelling of 4221552043123 in words is "four trillion, two hundred twenty-one billion, five hundred fifty-two million, forty-three thousand, one hundred twenty-three".