4540327178623 has 2 divisors, whose sum is σ = 4540327178624. Its totient is φ = 4540327178622.

The previous prime is 4540327178573. The next prime is 4540327178657. The reversal of 4540327178623 is 3268717230454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4540327178623 - 2³³ = 4531737244031 is a prime.

It is a super-2 number, since 2×4540327178623² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540327178683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270163589311 + 2270163589312.

It is an arithmetic number, because the mean of its divisors is an integer number (2270163589312).

Almost surely, 2^{4540327178623} is an apocalyptic number.

4540327178623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540327178623 is an equidigital number, since it uses as much as digits as its factorization.

4540327178623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 4540327178623 in words is "four trillion, five hundred forty billion, three hundred twenty-seven million, one hundred seventy-eight thousand, six hundred twenty-three".