423513552 has 160 divisors (see below), whose sum is σ = 1376769024. Its totient is φ = 109887360.

The previous prime is 423513551. The next prime is 423513557. The reversal of 423513552 is 255315324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423513551) 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, 446743 + ... + 447689.

Almost surely, 2^423513552 is an apocalyptic number.

423513552 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 423513552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688384512).

423513552 is an abundant number, since it is smaller than the sum of its proper divisors (953255472).

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

423513552 is a wasteful number, since it uses less digits than its factorization.

423513552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 970 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 423513552 is about 20579.4448904726. Note that the first 3 decimals coincide. The cubic root of 423513552 is about 750.9697393781.

Adding to 423513552 its reverse (255315324), we get a palindrome (678828876).

The spelling of 423513552 in words is "four hundred twenty-three million, five hundred thirteen thousand, five hundred fifty-two".