34203121203143 has 4 divisors (see below), whose sum is σ = 34346230497120. Its totient is φ = 34060011909168.

The previous prime is 34203121203133. The next prime is 34203121203149. The reversal of 34203121203143 is 34130212130243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34203121203143 - 2⁴ = 34203121203127 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 (34203121203149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71554646630 + ... + 71554647107.

It is an arithmetic number, because the mean of its divisors is an integer number (8586557624280).

Almost surely, 2^{34203121203143} is an apocalyptic number.

34203121203143 is a deficient number, since it is larger than the sum of its proper divisors (143109293977).

34203121203143 is a wasteful number, since it uses less digits than its factorization.

34203121203143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143109293976.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 34203121203143 its reverse (34130212130243), we get a palindrome (68333333333386).

The spelling of 34203121203143 in words is "thirty-four trillion, two hundred three billion, one hundred twenty-one million, two hundred three thousand, one hundred forty-three".