421623112 has 16 divisors (see below), whose sum is σ = 817803900. Its totient is φ = 203542080.

The previous prime is 421623089. The next prime is 421623119. The reversal of 421623112 is 211326124.

It can be written as a sum of positive squares in 2 ways, for example, as 372258436 + 49364676 = 19294^2 + 7026^2 .

It is not an unprimeable number, because it can be changed into a prime (421623119) 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, 908439 + ... + 908902.

Almost surely, 2^421623112 is an apocalyptic number.

It is an amenable number.

421623112 is a deficient number, since it is larger than the sum of its proper divisors (396180788).

421623112 is a wasteful number, since it uses less digits than its factorization.

421623112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817376 (or 1817372 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 421623112 is about 20533.4632246974. The cubic root of 421623112 is about 749.8507033197.

Adding to 421623112 its reverse (211326124), we get a palindrome (632949236).

The spelling of 421623112 in words is "four hundred twenty-one million, six hundred twenty-three thousand, one hundred twelve".