20342477231343 has 6 divisors (see below), whose sum is σ = 29383578223064. Its totient is φ = 13561651487556.

The previous prime is 20342477231341. The next prime is 20342477231381. The reversal of 20342477231343 is 34313277424302.

20342477231343 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 2 + 4 + 77 + 231 + 343 = 666.

It is not a de Polignac number, because 20342477231343 - 2¹ = 20342477231341 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 (20342477231341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1130137623955 + ... + 1130137623972.

Almost surely, 2^{20342477231343} is an apocalyptic number.

20342477231343 is a deficient number, since it is larger than the sum of its proper divisors (9041100991721).

20342477231343 is a wasteful number, since it uses less digits than its factorization.

20342477231343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260275247933 (or 2260275247930 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 45.

The spelling of 20342477231343 in words is "twenty trillion, three hundred forty-two billion, four hundred seventy-seven million, two hundred thirty-one thousand, three hundred forty-three".