1321472423 has 8 divisors (see below), whose sum is σ = 1350088320. Its totient is φ = 1293118200.

The previous prime is 1321472393. The next prime is 1321472447. The reversal of 1321472423 is 3242741231.

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 1321472423 - 2⁶ = 1321472359 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 (1321472473) 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, 55193 + ... + 75426.

It is an arithmetic number, because the mean of its divisors is an integer number (168761040).

Almost surely, 2^1321472423 is an apocalyptic number.

1321472423 is a deficient number, since it is larger than the sum of its proper divisors (28615897).

1321472423 is a wasteful number, since it uses less digits than its factorization.

1321472423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130837.

The product of its digits is 8064, while the sum is 29.

The square root of 1321472423 is about 36352.0621560868. The cubic root of 1321472423 is about 1097.3690354534.

The spelling of 1321472423 in words is "one billion, three hundred twenty-one million, four hundred seventy-two thousand, four hundred twenty-three".