243242001430 has 32 divisors (see below), whose sum is σ = 438943113504. Its totient is φ = 97050809856.

The previous prime is 243242001397. The next prime is 243242001473. The reversal of 243242001430 is 34100242342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243242001395 and 243242001404.

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, 29397774 + ... + 29406046.

It is an arithmetic number, because the mean of its divisors is an integer number (13716972297).

Almost surely, 2^243242001430 is an apocalyptic number.

243242001430 is a deficient number, since it is larger than the sum of its proper divisors (195701112074).

243242001430 is a wasteful number, since it uses less digits than its factorization.

243242001430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15360.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 243242001430 its reverse (34100242342), we get a palindrome (277342243772).

The spelling of 243242001430 in words is "two hundred forty-three billion, two hundred forty-two million, one thousand, four hundred thirty".