1423320234321 has 8 divisors (see below), whose sum is σ = 1897821028384. Its totient is φ = 948849798240.

The previous prime is 1423320234313. The next prime is 1423320234337. The reversal of 1423320234321 is 1234320233241.

It is a happy number.

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

It is not a de Polignac number, because 1423320234321 - 2³ = 1423320234313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423320034321) 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, 7479871 + ... + 7667796.

It is an arithmetic number, because the mean of its divisors is an integer number (237227628548).

Almost surely, 2^{1423320234321} is an apocalyptic number.

It is an amenable number.

1423320234321 is a deficient number, since it is larger than the sum of its proper divisors (474500794063).

1423320234321 is a wasteful number, since it uses less digits than its factorization.

1423320234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15178991.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1423320234321 its reverse (1234320233241), we get a palindrome (2657640467562).

The spelling of 1423320234321 in words is "one trillion, four hundred twenty-three billion, three hundred twenty million, two hundred thirty-four thousand, three hundred twenty-one".