243212632 has 48 divisors (see below), whose sum is σ = 502335000. Its totient is φ = 110313216.

The previous prime is 243212611. The next prime is 243212653. The reversal of 243212632 is 236212342.

It is an interprime number because it is at equal distance from previous prime (243212611) and next prime (243212653).

It is a junction number, because it is equal to n+sod(n) for n = 243212597 and 243212606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78244 + ... + 81292.

Almost surely, 2^243212632 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 243212632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251167500).

243212632 is an abundant number, since it is smaller than the sum of its proper divisors (259122368).

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

243212632 is a wasteful number, since it uses less digits than its factorization.

243212632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140 (or 3123 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 243212632 is about 15595.2759513899. The cubic root of 243212632 is about 624.2071071789.

Adding to 243212632 its reverse (236212342), we get a palindrome (479424974).

The spelling of 243212632 in words is "two hundred forty-three million, two hundred twelve thousand, six hundred thirty-two".