23131421344423 has 16 divisors (see below), whose sum is σ = 26655537452544. Its totient is φ = 19662859308960.

The previous prime is 23131421344403. The next prime is 23131421344459. The reversal of 23131421344423 is 32444312413132.

It is not a de Polignac number, because 23131421344423 - 2⁴¹ = 20932398088871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131421344403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26539065 + ... + 27396802.

It is an arithmetic number, because the mean of its divisors is an integer number (1665971090784).

Almost surely, 2^{23131421344423} is an apocalyptic number.

23131421344423 is a deficient number, since it is larger than the sum of its proper divisors (3524116108121).

23131421344423 is a wasteful number, since it uses less digits than its factorization.

23131421344423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53936382.

The product of its digits is 165888, while the sum is 37.

Adding to 23131421344423 its reverse (32444312413132), we get a palindrome (55575733757555).

The spelling of 23131421344423 in words is "twenty-three trillion, one hundred thirty-one billion, four hundred twenty-one million, three hundred forty-four thousand, four hundred twenty-three".