202343634105423 has 32 divisors (see below), whose sum is σ = 288750812313600. Its totient is φ = 125663591743200.

The previous prime is 202343634105329. The next prime is 202343634105433. The reversal of 202343634105423 is 324501436343202.

It is not a de Polignac number, because 202343634105423 - 2¹⁴ = 202343634089039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202343634105433) 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, 64427173 + ... + 67494798.

It is an arithmetic number, because the mean of its divisors is an integer number (9023462884800).

Almost surely, 2^{202343634105423} is an apocalyptic number.

202343634105423 is a deficient number, since it is larger than the sum of its proper divisors (86407178208177).

202343634105423 is a wasteful number, since it uses less digits than its factorization.

202343634105423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131922443.

The product of its (nonzero) digits is 1244160, while the sum is 42.

The spelling of 202343634105423 in words is "two hundred two trillion, three hundred forty-three billion, six hundred thirty-four million, one hundred five thousand, four hundred twenty-three".