243142023433 has 4 divisors (see below), whose sum is σ = 243225095040. Its totient is φ = 243058951828.

The previous prime is 243142023431. The next prime is 243142023451. The reversal of 243142023433 is 334320241342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243142023433 - 2¹ = 243142023431 is a prime.

It is a super-2 number, since 2×243142023433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243142023395 and 243142023404.

It is not an unprimeable number, because it can be changed into a prime (243142023431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41531413 + ... + 41537266.

It is an arithmetic number, because the mean of its divisors is an integer number (60806273760).

Almost surely, 2^243142023433 is an apocalyptic number.

It is an amenable number.

243142023433 is a deficient number, since it is larger than the sum of its proper divisors (83071607).

243142023433 is an equidigital number, since it uses as much as digits as its factorization.

243142023433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83071606.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 243142023433 its reverse (334320241342), we get a palindrome (577462264775).

The spelling of 243142023433 in words is "two hundred forty-three billion, one hundred forty-two million, twenty-three thousand, four hundred thirty-three".