423721451162 has 8 divisors (see below), whose sum is σ = 635633318196. Its totient is φ = 211843678432.

The previous prime is 423721451161. The next prime is 423721451177. The reversal of 423721451162 is 261154127324.

It can be written as a sum of positive squares in 2 ways, for example, as 262542487321 + 161178963841 = 512389^2 + 401471^2 .

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

It is not an unprimeable number, because it can be changed into a prime (423721451161) 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, 8492483 + ... + 8542230.

Almost surely, 2^423721451162 is an apocalyptic number.

423721451162 is a deficient number, since it is larger than the sum of its proper divisors (211911867034).

423721451162 is a wasteful number, since it uses less digits than its factorization.

423721451162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17047152.

The product of its digits is 80640, while the sum is 38.

Adding to 423721451162 its reverse (261154127324), we get a palindrome (684875578486).

The spelling of 423721451162 in words is "four hundred twenty-three billion, seven hundred twenty-one million, four hundred fifty-one thousand, one hundred sixty-two".