243400121014 has 16 divisors (see below), whose sum is σ = 366965164800. Its totient is φ = 121078500840.

The previous prime is 243400120967. The next prime is 243400121039. The reversal of 243400121014 is 410121004342.

It is a happy number.

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, 7993759 + ... + 8024149.

It is an arithmetic number, because the mean of its divisors is an integer number (22935322800).

Almost surely, 2^243400121014 is an apocalyptic number.

243400121014 is a deficient number, since it is larger than the sum of its proper divisors (123565043786).

243400121014 is a wasteful number, since it uses less digits than its factorization.

243400121014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50715.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 243400121014 its reverse (410121004342), we get a palindrome (653521125356).

The spelling of 243400121014 in words is "two hundred forty-three billion, four hundred million, one hundred twenty-one thousand, fourteen".