1423314401320 has 192 divisors, whose sum is σ = 4091873500800. Its totient is φ = 442208954880.

The previous prime is 1423314401317. The next prime is 1423314401329. The reversal of 1423314401320 is 231044133241.

1423314401320 = T₉₀₆₆₃ + T₉₀₆₆₄ + ... + T₉₁₀₀₇.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1423314401329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25650 + ... + 1687390.

It is an arithmetic number, because the mean of its divisors is an integer number (21311841150).

Almost surely, 2^{1423314401320} is an apocalyptic number.

1423314401320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423314401320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2045936750400).

1423314401320 is an abundant number, since it is smaller than the sum of its proper divisors (2668559099480).

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

1423314401320 is a wasteful number, since it uses less digits than its factorization.

1423314401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661808 (or 1661797 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1423314401320 its reverse (231044133241), we get a palindrome (1654358534561).

The spelling of 1423314401320 in words is "one trillion, four hundred twenty-three billion, three hundred fourteen million, four hundred one thousand, three hundred twenty".