243743357122376 has 8 divisors (see below), whose sum is σ = 457018794604470. Its totient is φ = 121871678561184.

The previous prime is 243743357122351. The next prime is 243743357122409. The reversal of 243743357122376 is 673221753347342.

It can be written as a sum of positive squares in only one way, i.e., 239183979149476 + 4559377972900 = 15465574^2 + 2135270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×243743357122376² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15233959820141 + ... + 15233959820156.

Almost surely, 2^{243743357122376} is an apocalyptic number.

It is an amenable number.

243743357122376 is a deficient number, since it is larger than the sum of its proper divisors (213275437482094).

243743357122376 is a wasteful number, since it uses less digits than its factorization.

243743357122376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30467919640303 (or 30467919640299 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 59.

The spelling of 243743357122376 in words is "two hundred forty-three trillion, seven hundred forty-three billion, three hundred fifty-seven million, one hundred twenty-two thousand, three hundred seventy-six".