243385957432 has 32 divisors (see below), whose sum is σ = 459899946000. Its totient is φ = 120746246400.

The previous prime is 243385957417. The next prime is 243385957447. The reversal of 243385957432 is 234759583342.

It is an interprime number because it is at equal distance from previous prime (243385957417) and next prime (243385957447).

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9785332 + ... + 9810172.

Almost surely, 2^243385957432 is an apocalyptic number.

It is an amenable number.

243385957432 is a deficient number, since it is larger than the sum of its proper divisors (216513988568).

243385957432 is a wasteful number, since it uses less digits than its factorization.

243385957432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34327 (or 34323 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 55.

The spelling of 243385957432 in words is "two hundred forty-three billion, three hundred eighty-five million, nine hundred fifty-seven thousand, four hundred thirty-two".