1423274141491 has 18 divisors (see below), whose sum is σ = 1549697041700. Its totient is φ = 1306879683840.

The previous prime is 1423274141351. The next prime is 1423274141551. The reversal of 1423274141491 is 1941414723241.

It is not a de Polignac number, because 1423274141491 - 2¹³ = 1423274133299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423274141791) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 979041 + ... + 1950658.

Almost surely, 2^{1423274141491} is an apocalyptic number.

1423274141491 is a deficient number, since it is larger than the sum of its proper divisors (126422900209).

1423274141491 is an equidigital number, since it uses as much as digits as its factorization.

1423274141491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929815 (or 2929757 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The spelling of 1423274141491 in words is "one trillion, four hundred twenty-three billion, two hundred seventy-four million, one hundred forty-one thousand, four hundred ninety-one".