202311422043 has 4 divisors (see below), whose sum is σ = 269748562728. Its totient is φ = 134874281360.

The previous prime is 202311421997. The next prime is 202311422059. The reversal of 202311422043 is 340224113202.

It is a happy number.

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 202311422043 - 2⁶ = 202311421979 is a prime.

It is a super-2 number, since 2×202311422043² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202311429043) 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, 33718570338 + ... + 33718570343.

It is an arithmetic number, because the mean of its divisors is an integer number (67437140682).

Almost surely, 2^202311422043 is an apocalyptic number.

202311422043 is a deficient number, since it is larger than the sum of its proper divisors (67437140685).

202311422043 is an equidigital number, since it uses as much as digits as its factorization.

202311422043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67437140684.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202311422043 its reverse (340224113202), we get a palindrome (542535535245).

The spelling of 202311422043 in words is "two hundred two billion, three hundred eleven million, four hundred twenty-two thousand, forty-three".