4540380078623 has 2 divisors, whose sum is σ = 4540380078624. Its totient is φ = 4540380078622.

The previous prime is 4540380078617. The next prime is 4540380078643. The reversal of 4540380078623 is 3268700830454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4540380078623 - 2¹⁶ = 4540380013087 is a prime.

It is a super-2 number, since 2×4540380078623² (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 (4540380078643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270190039311 + 2270190039312.

It is an arithmetic number, because the mean of its divisors is an integer number (2270190039312).

Almost surely, 2^{4540380078623} is an apocalyptic number.

4540380078623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540380078623 is an equidigital number, since it uses as much as digits as its factorization.

4540380078623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 4540380078623 in words is "four trillion, five hundred forty billion, three hundred eighty million, seventy-eight thousand, six hundred twenty-three".