423031134311 has 4 divisors (see below), whose sum is σ = 423033486624. Its totient is φ = 423028782000.

The previous prime is 423031134293. The next prime is 423031134349. The reversal of 423031134311 is 113431130324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423031134311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423031134011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881855 + ... + 1274256.

It is an arithmetic number, because the mean of its divisors is an integer number (105758371656).

Almost surely, 2^423031134311 is an apocalyptic number.

423031134311 is a deficient number, since it is larger than the sum of its proper divisors (2352313).

423031134311 is a wasteful number, since it uses less digits than its factorization.

423031134311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352312.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 423031134311 its reverse (113431130324), we get a palindrome (536462264635).

The spelling of 423031134311 in words is "four hundred twenty-three billion, thirty-one million, one hundred thirty-four thousand, three hundred eleven".