1430223044340 has 96 divisors (see below), whose sum is σ = 4064948858880. Its totient is φ = 375658012800.

The previous prime is 1430223044323. The next prime is 1430223044363. The reversal of 1430223044340 is 434403220341.

It is a happy number.

It is a super-2 number, since 2×1430223044340² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1430223044298 and 1430223044307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4264575 + ... + 4587705.

It is an arithmetic number, because the mean of its divisors is an integer number (42343217280).

Almost surely, 2^{1430223044340} is an apocalyptic number.

1430223044340 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 1430223044340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032474429440).

1430223044340 is an abundant number, since it is smaller than the sum of its proper divisors (2634725814540).

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

1430223044340 is a wasteful number, since it uses less digits than its factorization.

1430223044340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324253 (or 324251 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1430223044340 its reverse (434403220341), we get a palindrome (1864626264681).

The spelling of 1430223044340 in words is "one trillion, four hundred thirty billion, two hundred twenty-three million, forty-four thousand, three hundred forty".