201342143443 has 32 divisors (see below), whose sum is σ = 239379259392. Its totient is φ = 165715372800.

The previous prime is 201342143417. The next prime is 201342143459. The reversal of 201342143443 is 344341243102.

It is a cyclic number.

It is not a de Polignac number, because 201342143443 - 2³³ = 192752208851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (201342147443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14807578 + ... + 14821168.

It is an arithmetic number, because the mean of its divisors is an integer number (7480601856).

Almost surely, 2^201342143443 is an apocalyptic number.

201342143443 is a deficient number, since it is larger than the sum of its proper divisors (38037115949).

201342143443 is a wasteful number, since it uses less digits than its factorization.

201342143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14155.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 201342143443 its reverse (344341243102), we get a palindrome (545683386545).

The spelling of 201342143443 in words is "two hundred one billion, three hundred forty-two million, one hundred forty-three thousand, four hundred forty-three".