42023812131127 has 2 divisors, whose sum is σ = 42023812131128. Its totient is φ = 42023812131126.

The previous prime is 42023812131107. The next prime is 42023812131173. The reversal of 42023812131127 is 72113121832024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42023812131127 - 2¹⁹ = 42023811606839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42023812131107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21011906065563 + 21011906065564.

It is an arithmetic number, because the mean of its divisors is an integer number (21011906065564).

Almost surely, 2^{42023812131127} is an apocalyptic number.

42023812131127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42023812131127 is an equidigital number, since it uses as much as digits as its factorization.

42023812131127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 42023812131127 in words is "forty-two trillion, twenty-three billion, eight hundred twelve million, one hundred thirty-one thousand, one hundred twenty-seven".