423211422043 has 4 divisors (see below), whose sum is σ = 424706869048. Its totient is φ = 421715975040.

The previous prime is 423211421989. The next prime is 423211422059. The reversal of 423211422043 is 340224112324.

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 423211422043 - 2³³ = 414621487451 is a prime.

It is a super-5 number, since 5×423211422043⁵ (a number of 59 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423211422083) 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, 747723078 + ... + 747723643.

It is an arithmetic number, because the mean of its divisors is an integer number (106176717262).

Almost surely, 2^423211422043 is an apocalyptic number.

423211422043 is a deficient number, since it is larger than the sum of its proper divisors (1495447005).

423211422043 is a wasteful number, since it uses less digits than its factorization.

423211422043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495447004.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 423211422043 its reverse (340224112324), we get a palindrome (763435534367).

The spelling of 423211422043 in words is "four hundred twenty-three billion, two hundred eleven million, four hundred twenty-two thousand, forty-three".