243106063420 has 36 divisors (see below), whose sum is σ = 561153092472. Its totient is φ = 88402204000.

The previous prime is 243106063399. The next prime is 243106063433. The reversal of 243106063420 is 24360601342.

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, 50226106 + ... + 50230945.

It is an arithmetic number, because the mean of its divisors is an integer number (15587585902).

Almost surely, 2^243106063420 is an apocalyptic number.

243106063420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243106063420 is an abundant number, since it is smaller than the sum of its proper divisors (318047029052).

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

243106063420 is a wasteful number, since it uses less digits than its factorization.

243106063420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100457082 (or 100457069 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 243106063420 its reverse (24360601342), we get a palindrome (267466664762).

The spelling of 243106063420 in words is "two hundred forty-three billion, one hundred six million, sixty-three thousand, four hundred twenty".