1326575423 has 4 divisors (see below), whose sum is σ = 1354800480. Its totient is φ = 1298350368.

The previous prime is 1326575401. The next prime is 1326575443. The reversal of 1326575423 is 3245756231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3245756231 = 7213 ⋅449987.

It is a cyclic number.

It is not a de Polignac number, because 1326575423 - 2⁸ = 1326575167 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 (1326575443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14112458 + ... + 14112551.

It is an arithmetic number, because the mean of its divisors is an integer number (338700120).

Almost surely, 2^1326575423 is an apocalyptic number.

1326575423 is a deficient number, since it is larger than the sum of its proper divisors (28225057).

1326575423 is an equidigital number, since it uses as much as digits as its factorization.

1326575423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28225056.

The product of its digits is 151200, while the sum is 38.

The square root of 1326575423 is about 36422.1831168863. The cubic root of 1326575423 is about 1098.7797551309.

It can be divided in two parts, 13265 and 75423, that added together give a palindrome (88688).

The spelling of 1326575423 in words is "one billion, three hundred twenty-six million, five hundred seventy-five thousand, four hundred twenty-three".