343420120143 has 16 divisors (see below), whose sum is σ = 508887708000. Its totient is φ = 228894024960.

The previous prime is 343420120139. The next prime is 343420120151. The reversal of 343420120143 is 341021024343.

343420120143 is a `hidden beast` number, since 3 + 434 + 20 + 1 + 201 + 4 + 3 = 666.

It is not a de Polignac number, because 343420120143 - 2² = 343420120139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343490120143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344898 + ... + 1579743.

It is an arithmetic number, because the mean of its divisors is an integer number (31805481750).

Almost surely, 2^343420120143 is an apocalyptic number.

343420120143 is a deficient number, since it is larger than the sum of its proper divisors (165467587857).

343420120143 is a wasteful number, since it uses less digits than its factorization.

343420120143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928999 (or 2928993 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 343420120143 its reverse (341021024343), we get a palindrome (684441144486).

The spelling of 343420120143 in words is "three hundred forty-three billion, four hundred twenty million, one hundred twenty thousand, one hundred forty-three".