42054243103 has 2 divisors, whose sum is σ = 42054243104. Its totient is φ = 42054243102.

The previous prime is 42054243083. The next prime is 42054243131. The reversal of 42054243103 is 30134245024.

It is a happy number.

42054243103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42054243131) can be obtained adding 42054243103 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42054243103 - 2¹⁷ = 42054112031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42054243163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21027121551 + 21027121552.

It is an arithmetic number, because the mean of its divisors is an integer number (21027121552).

Almost surely, 2^42054243103 is an apocalyptic number.

42054243103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42054243103 is an equidigital number, since it uses as much as digits as its factorization.

42054243103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 42054243103 its reverse (30134245024), we get a palindrome (72188488127).

The spelling of 42054243103 in words is "forty-two billion, fifty-four million, two hundred forty-three thousand, one hundred three".