202310203402043 has 12 divisors (see below), whose sum is σ = 222399048804240. Its totient is φ = 183897670537680.

The previous prime is 202310203401973. The next prime is 202310203402081. The reversal of 202310203402043 is 340204302013202.

It is not a de Polignac number, because 202310203402043 - 2²⁶ = 202310136293179 is a prime.

It is a super-2 number, since 2×202310203402043² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202310203402543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92993828 + ... + 95144481.

It is an arithmetic number, because the mean of its divisors is an integer number (18533254067020).

Almost surely, 2^{202310203402043} is an apocalyptic number.

202310203402043 is a deficient number, since it is larger than the sum of its proper divisors (20088845402197).

202310203402043 is a wasteful number, since it uses less digits than its factorization.

202310203402043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188147218 (or 188147207 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 202310203402043 its reverse (340204302013202), we get a palindrome (542514505415245).

The spelling of 202310203402043 in words is "two hundred two trillion, three hundred ten billion, two hundred three million, four hundred two thousand, forty-three".