423450834361 has 27 divisors (see below), whose sum is σ = 463245080493. Its totient is φ = 387002740320.

The previous prime is 423450834281. The next prime is 423450834397. The reversal of 423450834361 is 163438054324.

The square root of 423450834361 is 650731.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 103728440761 + 319722393600 = 322069^2 + 565440^2 .

It is not a de Polignac number, because 423450834361 - 2³³ = 414860899769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423450874361) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 358552191 + ... + 358553371.

Almost surely, 2^423450834361 is an apocalyptic number.

423450834361 is the 650731-st square number.

423450834361 is the 325366-th centered octagonal number.

It is an amenable number.

423450834361 is a deficient number, since it is larger than the sum of its proper divisors (39794246132).

423450834361 is an frugal number, since it uses more digits than its factorization.

423450834361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 423450834361 its reverse (163438054324), we get a palindrome (586888888685).

The spelling of 423450834361 in words is "four hundred twenty-three billion, four hundred fifty million, eight hundred thirty-four thousand, three hundred sixty-one".