423220543124 has 6 divisors (see below), whose sum is σ = 740635950474. Its totient is φ = 211610271560.

The previous prime is 423220543063. The next prime is 423220543147. The reversal of 423220543124 is 421345022324.

It can be written as a sum of positive squares in only one way, i.e., 384325603600 + 38894939524 = 619940^2 + 197218^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52902567887 + ... + 52902567894.

It is an arithmetic number, because the mean of its divisors is an integer number (123439325079).

Almost surely, 2^423220543124 is an apocalyptic number.

It is an amenable number.

423220543124 is a deficient number, since it is larger than the sum of its proper divisors (317415407350).

423220543124 is a wasteful number, since it uses less digits than its factorization.

423220543124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105805135785 (or 105805135783 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 423220543124 its reverse (421345022324), we get a palindrome (844565565448).

The spelling of 423220543124 in words is "four hundred twenty-three billion, two hundred twenty million, five hundred forty-three thousand, one hundred twenty-four".