422410723673 has 4 divisors (see below), whose sum is σ = 422808849828. Its totient is φ = 422012597520.

The previous prime is 422410723663. The next prime is 422410723747. The reversal of 422410723673 is 376327014224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128459161744 + 293951561929 = 358412^2 + 542173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422410723673 is a prime.

It is a super-2 number, since 2×422410723673² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422410723673.

It is not an unprimeable number, because it can be changed into a prime (422410723613) 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, 199061486 + ... + 199063607.

It is an arithmetic number, because the mean of its divisors is an integer number (105702212457).

Almost surely, 2^422410723673 is an apocalyptic number.

It is an amenable number.

422410723673 is a deficient number, since it is larger than the sum of its proper divisors (398126155).

422410723673 is a wasteful number, since it uses less digits than its factorization.

422410723673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398126154.

The product of its (nonzero) digits is 338688, while the sum is 41.

Adding to 422410723673 its reverse (376327014224), we get a palindrome (798737737897).

The spelling of 422410723673 in words is "four hundred twenty-two billion, four hundred ten million, seven hundred twenty-three thousand, six hundred seventy-three".