320040013127 has 2 divisors, whose sum is σ = 320040013128. Its totient is φ = 320040013126.

The previous prime is 320040013061. The next prime is 320040013147. The reversal of 320040013127 is 721310040023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320040013127 - 2¹⁴ = 320039996743 is a prime.

It is a super-2 number, since 2×320040013127² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320040013147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160020006563 + 160020006564.

It is an arithmetic number, because the mean of its divisors is an integer number (160020006564).

Almost surely, 2^320040013127 is an apocalyptic number.

320040013127 is a deficient number, since it is larger than the sum of its proper divisors (1).

320040013127 is an equidigital number, since it uses as much as digits as its factorization.

320040013127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 320040013127 in words is "three hundred twenty billion, forty million, thirteen thousand, one hundred twenty-seven".