423531126 has 32 divisors (see below), whose sum is σ = 942415200. Its totient is φ = 140991840.

The previous prime is 423531091. The next prime is 423531127. The reversal of 423531126 is 621135324.

423531126 is a `hidden beast` number, since 4 + 2 + 3 + 531 + 126 = 666.

It is a super-2 number, since 2×423531126² = 358757229381655752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 423531126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423531127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40036 + ... + 49496.

It is an arithmetic number, because the mean of its divisors is an integer number (29450475).

Almost surely, 2^423531126 is an apocalyptic number.

423531126 is an abundant number, since it is smaller than the sum of its proper divisors (518884074).

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

423531126 is a wasteful number, since it uses less digits than its factorization.

423531126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301 (or 10295 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 423531126 is about 20579.8718654903. The cubic root of 423531126 is about 750.9801265779.

The spelling of 423531126 in words is "four hundred twenty-three million, five hundred thirty-one thousand, one hundred twenty-six".