42053104123 has 2 divisors, whose sum is σ = 42053104124. Its totient is φ = 42053104122.

The previous prime is 42053104117. The next prime is 42053104141. The reversal of 42053104123 is 32140135024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42053104123 - 2⁵ = 42053104091 is a prime.

It is not a weakly prime, because it can be changed into another prime (42053104523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026552061 + 21026552062.

It is an arithmetic number, because the mean of its divisors is an integer number (21026552062).

Almost surely, 2^42053104123 is an apocalyptic number.

42053104123 is a deficient number, since it is larger than the sum of its proper divisors (1).

42053104123 is an equidigital number, since it uses as much as digits as its factorization.

42053104123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 42053104123 its reverse (32140135024), we get a palindrome (74193239147).

The spelling of 42053104123 in words is "forty-two billion, fifty-three million, one hundred four thousand, one hundred twenty-three".