1423310344320 has 128 divisors (see below), whose sum is σ = 4566847697280. Its totient is φ = 377035776000.

The previous prime is 1423310344301. The next prime is 1423310344411. The reversal of 1423310344320 is 234430133241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2164741 + ... + 2744580.

It is an arithmetic number, because the mean of its divisors is an integer number (35678497635).

Almost surely, 2^{1423310344320} is an apocalyptic number.

1423310344320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423310344320 is an abundant number, since it is smaller than the sum of its proper divisors (3143537352960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423310344320 is a wasteful number, since it uses less digits than its factorization.

1423310344320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909494 (or 4909482 counting only the distinct ones).

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

Adding to 1423310344320 its reverse (234430133241), we get a palindrome (1657740477561).

The spelling of 1423310344320 in words is "one trillion, four hundred twenty-three billion, three hundred ten million, three hundred forty-four thousand, three hundred twenty".