423155412 has 18 divisors (see below), whose sum is σ = 1069642938. Its totient is φ = 141051792.

The previous prime is 423155407. The next prime is 423155413. The reversal of 423155412 is 214551324.

It can be written as a sum of positive squares in only one way, i.e., 421316676 + 1838736 = 20526^2 + 1356^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423155413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5877123 + ... + 5877194.

Almost surely, 2^423155412 is an apocalyptic number.

It is an amenable number.

423155412 is an abundant number, since it is smaller than the sum of its proper divisors (646487526).

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

423155412 is a wasteful number, since it uses less digits than its factorization.

423155412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11754327 (or 11754322 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 423155412 is about 20570.7416492454. The cubic root of 423155412 is about 750.7579963307.

The spelling of 423155412 in words is "four hundred twenty-three million, one hundred fifty-five thousand, four hundred twelve".