423540352 has 32 divisors (see below), whose sum is σ = 870998400. Its totient is φ = 204936960.

The previous prime is 423540349. The next prime is 423540401. The reversal of 423540352 is 253045324.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 423540352.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49402 + ... + 57337.

It is an arithmetic number, because the mean of its divisors is an integer number (27218700).

Almost surely, 2^423540352 is an apocalyptic number.

It is an amenable number.

423540352 is an abundant number, since it is smaller than the sum of its proper divisors (447458048).

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

423540352 is a wasteful number, since it uses less digits than its factorization.

423540352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106784 (or 106772 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 423540352 is about 20580.0960153251. The cubic root of 423540352 is about 750.9855795359.

Adding to 423540352 its reverse (253045324), we get a palindrome (676585676).

The spelling of 423540352 in words is "four hundred twenty-three million, five hundred forty thousand, three hundred fifty-two".