423401412 has 24 divisors (see below), whose sum is σ = 1129070656. Its totient is φ = 120971808.

The previous prime is 423401401. The next prime is 423401413. The reversal of 423401412 is 214104324.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (423401413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2520163 + ... + 2520330.

Almost surely, 2^423401412 is an apocalyptic number.

423401412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

423401412 is an abundant number, since it is smaller than the sum of its proper divisors (705669244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423401412 is a wasteful number, since it uses less digits than its factorization.

423401412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040507 (or 5040505 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 423401412 is about 20576.7201468067. The cubic root of 423401412 is about 750.9034517075.

Adding to 423401412 its reverse (214104324), we get a palindrome (637505736).

The spelling of 423401412 in words is "four hundred twenty-three million, four hundred one thousand, four hundred twelve".