380905477723 has 2 divisors, whose sum is σ = 380905477724. Its totient is φ = 380905477722.

The previous prime is 380905477679. The next prime is 380905477751. The reversal of 380905477723 is 327774509083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380905477723 - 2¹⁷ = 380905346651 is a prime.

It is not a weakly prime, because it can be changed into another prime (380905477753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190452738861 + 190452738862.

It is an arithmetic number, because the mean of its divisors is an integer number (190452738862).

Almost surely, 2^380905477723 is an apocalyptic number.

380905477723 is a deficient number, since it is larger than the sum of its proper divisors (1).

380905477723 is an equidigital number, since it uses as much as digits as its factorization.

380905477723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 380905477723 in words is "three hundred eighty billion, nine hundred five million, four hundred seventy-seven thousand, seven hundred twenty-three".