381101423 has 2 divisors, whose sum is σ = 381101424. Its totient is φ = 381101422.

The previous prime is 381101417. The next prime is 381101453. The reversal of 381101423 is 324101183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381101423 - 2⁸ = 381101167 is a prime.

It is a super-2 number, since 2×381101423² = 290476589225249858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381101453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190550711 + 190550712.

It is an arithmetic number, because the mean of its divisors is an integer number (190550712).

Almost surely, 2^381101423 is an apocalyptic number.

381101423 is a deficient number, since it is larger than the sum of its proper divisors (1).

381101423 is an equidigital number, since it uses as much as digits as its factorization.

381101423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 381101423 is about 19521.8191519131. The cubic root of 381101423 is about 725.0147744908.

The spelling of 381101423 in words is "three hundred eighty-one million, one hundred one thousand, four hundred twenty-three".