243121412334 has 32 divisors (see below), whose sum is σ = 499590552096. Its totient is φ = 78817656960.

The previous prime is 243121412323. The next prime is 243121412353. The reversal of 243121412334 is 433214121342.

It is a super-2 number, since 2×243121412334² (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 15 ways as a sum of consecutive naturals, for example, 316324 + ... + 765704.

It is an arithmetic number, because the mean of its divisors is an integer number (15612204753).

Almost surely, 2^243121412334 is an apocalyptic number.

243121412334 is an abundant number, since it is smaller than the sum of its proper divisors (256469139762).

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

243121412334 is a wasteful number, since it uses less digits than its factorization.

243121412334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451860.

The product of its digits is 13824, while the sum is 30.

Adding to 243121412334 its reverse (433214121342), we get a palindrome (676335533676).

The spelling of 243121412334 in words is "two hundred forty-three billion, one hundred twenty-one million, four hundred twelve thousand, three hundred thirty-four".