423387552 has 96 divisors (see below), whose sum is σ = 1278571392. Its totient is φ = 120167424.

The previous prime is 423387529. The next prime is 423387557. The reversal of 423387552 is 255783324.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 423387552.

It is not an unprimeable number, because it can be changed into a prime (423387557) 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, 103498 + ... + 107510.

It is an arithmetic number, because the mean of its divisors is an integer number (13318452).

Almost surely, 2^423387552 is an apocalyptic number.

423387552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423387552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639285696).

423387552 is an abundant number, since it is smaller than the sum of its proper divisors (855183840).

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

423387552 is a wasteful number, since it uses less digits than its factorization.

423387552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4182 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 423387552 is about 20576.3833556823. The cubic root of 423387552 is about 750.8952580366.

It can be divided in two parts, 42 and 3387552, that multiplied together give a square (142277184 = 11928²).

The spelling of 423387552 in words is "four hundred twenty-three million, three hundred eighty-seven thousand, five hundred fifty-two".