423371232 has 192 divisors, whose sum is σ = 1303041600. Its totient is φ = 133539840.

The previous prime is 423371231. The next prime is 423371239. The reversal of 423371232 is 232173324.

423371232 is a `hidden beast` number, since 423 + 3 + 7 + 1 + 232 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 423371196 and 423371205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423371231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1528278 + ... + 1528554.

It is an arithmetic number, because the mean of its divisors is an integer number (6786675).

Almost surely, 2^423371232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423371232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651520800).

423371232 is an abundant number, since it is smaller than the sum of its proper divisors (879670368).

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

423371232 is a wasteful number, since it uses less digits than its factorization.

423371232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 372 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 423371232 is about 20575.9867807112. The cubic root of 423371232 is about 750.8856098487.

The spelling of 423371232 in words is "four hundred twenty-three million, three hundred seventy-one thousand, two hundred thirty-two".