243423325031 has 16 divisors (see below), whose sum is σ = 258839280000. Its totient is φ = 228268980000.

The previous prime is 243423325027. The next prime is 243423325073. The reversal of 243423325031 is 130523324342.

It is a cyclic number.

It is not a de Polignac number, because 243423325031 - 2² = 243423325027 is a prime.

It is a super-2 number, since 2×243423325031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243423325331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8527220 + ... + 8555718.

It is an arithmetic number, because the mean of its divisors is an integer number (16177455000).

Almost surely, 2^243423325031 is an apocalyptic number.

243423325031 is a deficient number, since it is larger than the sum of its proper divisors (15415954969).

243423325031 is a wasteful number, since it uses less digits than its factorization.

243423325031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33070.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 243423325031 its reverse (130523324342), we get a palindrome (373946649373).

The spelling of 243423325031 in words is "two hundred forty-three billion, four hundred twenty-three million, three hundred twenty-five thousand, thirty-one".