243124431004 has 24 divisors (see below), whose sum is σ = 523652621408. Its totient is φ = 96181093440.

The previous prime is 243124430987. The next prime is 243124431037. The reversal of 243124431004 is 400134421342.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 333961767 + ... + 333962494.

Almost surely, 2^243124431004 is an apocalyptic number.

It is an amenable number.

243124431004 is an abundant number, since it is smaller than the sum of its proper divisors (280528190404).

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

243124431004 is a wasteful number, since it uses less digits than its factorization.

243124431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667924285 (or 667924283 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 243124431004 its reverse (400134421342), we get a palindrome (643258852346).

The spelling of 243124431004 in words is "two hundred forty-three billion, one hundred twenty-four million, four hundred thirty-one thousand, four".