2131432214423 has 4 divisors (see below), whose sum is σ = 2131594153608. Its totient is φ = 2131270275240.

The previous prime is 2131432214383. The next prime is 2131432214467. The reversal of 2131432214423 is 3244122341312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2131432214423 - 2²⁶ = 2131365105559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131432214423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131432214623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80949848 + ... + 80976173.

It is an arithmetic number, because the mean of its divisors is an integer number (532898538402).

Almost surely, 2^{2131432214423} is an apocalyptic number.

2131432214423 is a deficient number, since it is larger than the sum of its proper divisors (161939185).

2131432214423 is a wasteful number, since it uses less digits than its factorization.

2131432214423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161939184.

The product of its digits is 27648, while the sum is 32.

Adding to 2131432214423 its reverse (3244122341312), we get a palindrome (5375554555735).

The spelling of 2131432214423 in words is "two trillion, one hundred thirty-one billion, four hundred thirty-two million, two hundred fourteen thousand, four hundred twenty-three".