1423221243330 has 32 divisors (see below), whose sum is σ = 3417233889024. Its totient is φ = 379358675456.

The previous prime is 1423221243329. The next prime is 1423221243331. The reversal of 1423221243330 is 333421223241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1423221243329) and next prime (1423221243331).

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

It is not an unprimeable number, because it can be changed into a prime (1423221243331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10367514 + ... + 10503893.

It is an arithmetic number, because the mean of its divisors is an integer number (106788559032).

Almost surely, 2^{1423221243330} is an apocalyptic number.

1423221243330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423221243330 is an abundant number, since it is smaller than the sum of its proper divisors (1994012645694).

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

1423221243330 is a wasteful number, since it uses less digits than its factorization.

1423221243330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20873690.

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

Adding to 1423221243330 its reverse (333421223241), we get a palindrome (1756642466571).

The spelling of 1423221243330 in words is "one trillion, four hundred twenty-three billion, two hundred twenty-one million, two hundred forty-three thousand, three hundred thirty".