381190547623 has 2 divisors, whose sum is σ = 381190547624. Its totient is φ = 381190547622.

The previous prime is 381190547567. The next prime is 381190547659. The reversal of 381190547623 is 326745091183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381190547623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381190547693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190595273811 + 190595273812.

It is an arithmetic number, because the mean of its divisors is an integer number (190595273812).

It is a 2-persistent number, because it is pandigital, and so is 2⋅381190547623 = 762381095246, but 3⋅381190547623 = 1143571642869 is not.

Almost surely, 2^381190547623 is an apocalyptic number.

381190547623 is a deficient number, since it is larger than the sum of its proper divisors (1).

381190547623 is an equidigital number, since it uses as much as digits as its factorization.

381190547623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 381190547623 in words is "three hundred eighty-one billion, one hundred ninety million, five hundred forty-seven thousand, six hundred twenty-three".