1319542423 has 8 divisors (see below), whose sum is σ = 1345246736. Its totient is φ = 1293969600.

The previous prime is 1319542403. The next prime is 1319542439. The reversal of 1319542423 is 3242459131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1319542423 - 2⁹ = 1319541911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1319542403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12486 + ... + 52867.

It is an arithmetic number, because the mean of its divisors is an integer number (168155842).

Almost surely, 2^1319542423 is an apocalyptic number.

1319542423 is a deficient number, since it is larger than the sum of its proper divisors (25704313).

1319542423 is an equidigital number, since it uses as much as digits as its factorization.

1319542423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65745.

The product of its digits is 25920, while the sum is 34.

The square root of 1319542423 is about 36325.5065071363. The cubic root of 1319542423 is about 1096.8345422349.

The spelling of 1319542423 in words is "one billion, three hundred nineteen million, five hundred forty-two thousand, four hundred twenty-three".