243297140348 has 12 divisors (see below), whose sum is σ = 426457835160. Its totient is φ = 121452044592.

The previous prime is 243297140309. The next prime is 243297140363. The reversal of 243297140348 is 843041792342.

It is a super-2 number, since 2×243297140348² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 49128611 + ... + 49133562.

It is an arithmetic number, because the mean of its divisors is an integer number (35538152930).

Almost surely, 2^243297140348 is an apocalyptic number.

It is an amenable number.

243297140348 is a deficient number, since it is larger than the sum of its proper divisors (183160694812).

243297140348 is a wasteful number, since it uses less digits than its factorization.

243297140348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98262796 (or 98262794 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 243297140348 in words is "two hundred forty-three billion, two hundred ninety-seven million, one hundred forty thousand, three hundred forty-eight".