1423034301220 has 192 divisors, whose sum is σ = 3473222860800. Its totient is φ = 479711808000.

The previous prime is 1423034301217. The next prime is 1423034301229. The reversal of 1423034301220 is 221034303241.

It is not an unprimeable number, because it can be changed into a prime (1423034301229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1155998005 + ... + 1155999235.

It is an arithmetic number, because the mean of its divisors is an integer number (18089702400).

Almost surely, 2^{1423034301220} is an apocalyptic number.

1423034301220 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 1423034301220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736611430400).

1423034301220 is an abundant number, since it is smaller than the sum of its proper divisors (2050188559580).

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

1423034301220 is a wasteful number, since it uses less digits than its factorization.

1423034301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1423034301220 its reverse (221034303241), we get a palindrome (1644068604461).

The spelling of 1423034301220 in words is "one trillion, four hundred twenty-three billion, thirty-four million, three hundred one thousand, two hundred twenty".