202442432242123 has 2 divisors, whose sum is σ = 202442432242124. Its totient is φ = 202442432242122.

The previous prime is 202442432242091. The next prime is 202442432242223. The reversal of 202442432242123 is 321242234244202.

202442432242123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202442432242123 - 2⁵ = 202442432242091 is a prime.

It is not a weakly prime, because it can be changed into another prime (202442432242223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101221216121061 + 101221216121062.

It is an arithmetic number, because the mean of its divisors is an integer number (101221216121062).

Almost surely, 2^{202442432242123} is an apocalyptic number.

202442432242123 is a deficient number, since it is larger than the sum of its proper divisors (1).

202442432242123 is an equidigital number, since it uses as much as digits as its factorization.

202442432242123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 202442432242123 its reverse (321242234244202), we get a palindrome (523684666486325).

The spelling of 202442432242123 in words is "two hundred two trillion, four hundred forty-two billion, four hundred thirty-two million, two hundred forty-two thousand, one hundred twenty-three".