243231132442 has 16 divisors (see below), whose sum is σ = 366187197600. Its totient is φ = 121169396880.

The previous prime is 243231132367. The next prime is 243231132457. The reversal of 243231132442 is 244231132342.

It is a super-2 number, since 2×243231132442² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570784 + ... + 901252.

It is an arithmetic number, because the mean of its divisors is an integer number (22886699850).

Almost surely, 2^243231132442 is an apocalyptic number.

243231132442 is a deficient number, since it is larger than the sum of its proper divisors (122956065158).

243231132442 is a wasteful number, since it uses less digits than its factorization.

243231132442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331821.

The product of its digits is 27648, while the sum is 31.

Adding to 243231132442 its reverse (244231132342), we get a palindrome (487462264784).

The spelling of 243231132442 in words is "two hundred forty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, four hundred forty-two".