42020123411 has 12 divisors (see below), whose sum is σ = 48910835880. Its totient is φ = 35994934080.

The previous prime is 42020123393. The next prime is 42020123437. The reversal of 42020123411 is 11432102024.

It is not a de Polignac number, because 42020123411 - 2¹⁰ = 42020122387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42020123461) 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, 185510 + ... + 344171.

It is an arithmetic number, because the mean of its divisors is an integer number (4075902990).

Almost surely, 2^42020123411 is an apocalyptic number.

42020123411 is a deficient number, since it is larger than the sum of its proper divisors (6890712469).

42020123411 is a wasteful number, since it uses less digits than its factorization.

42020123411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531314 (or 531307 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 42020123411 its reverse (11432102024), we get a palindrome (53452225435).

The spelling of 42020123411 in words is "forty-two billion, twenty million, one hundred twenty-three thousand, four hundred eleven".