42123405114244 has 12 divisors (see below), whose sum is σ = 76257888569100. Its totient is φ = 20335436951648.

The previous prime is 42123405114199. The next prime is 42123405114391. The reversal of 42123405114244 is 44241150432124.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27225040288644 + 14898364825600 = 5217762^2 + 3859840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181566401239 + ... + 181566401470.

It is an arithmetic number, because the mean of its divisors is an integer number (6354824047425).

Almost surely, 2^{42123405114244} is an apocalyptic number.

It is an amenable number.

42123405114244 is a deficient number, since it is larger than the sum of its proper divisors (34134483454856).

42123405114244 is a wasteful number, since it uses less digits than its factorization.

42123405114244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363132802742 (or 363132802740 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 42123405114244 its reverse (44241150432124), we get a palindrome (86364555546368).

The spelling of 42123405114244 in words is "forty-two trillion, one hundred twenty-three billion, four hundred five million, one hundred fourteen thousand, two hundred forty-four".