1423034301221 has 12 divisors (see below), whose sum is σ = 1542782214432. Its totient is φ = 1311981639696.

The previous prime is 1423034301217. The next prime is 1423034301229. The reversal of 1423034301221 is 1221034303241.

It is not a de Polignac number, because 1423034301221 - 2² = 1423034301217 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 (1423034301229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4951121 + ... + 5230646.

It is an arithmetic number, because the mean of its divisors is an integer number (128565184536).

Almost surely, 2^{1423034301221} is an apocalyptic number.

It is an amenable number.

1423034301221 is a deficient number, since it is larger than the sum of its proper divisors (119747913211).

1423034301221 is a wasteful number, since it uses less digits than its factorization.

1423034301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182620 (or 10182607 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1423034301221 its reverse (1221034303241), we get a palindrome (2644068604462).

The spelling of 1423034301221 in words is "one trillion, four hundred twenty-three billion, thirty-four million, three hundred one thousand, two hundred twenty-one".