20231343423 has 12 divisors (see below), whose sum is σ = 29398042128. Its totient is φ = 13406797440.

The previous prime is 20231343409. The next prime is 20231343427. The reversal of 20231343423 is 32434313202.

20231343423 is a `hidden beast` number, since 2 + 0 + 2 + 313 + 4 + 342 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-20231343423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231343427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6728818 + ... + 6731823.

It is an arithmetic number, because the mean of its divisors is an integer number (2449836844).

Almost surely, 2^20231343423 is an apocalyptic number.

20231343423 is a deficient number, since it is larger than the sum of its proper divisors (9166698705).

20231343423 is a wasteful number, since it uses less digits than its factorization.

20231343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460814 (or 13460811 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20231343423 its reverse (32434313202), we get a palindrome (52665656625).

The spelling of 20231343423 in words is "twenty billion, two hundred thirty-one million, three hundred forty-three thousand, four hundred twenty-three".