1423440422330 has 8 divisors (see below), whose sum is σ = 2562192760212. Its totient is φ = 569376168928.

The previous prime is 1423440422317. The next prime is 1423440422359. The reversal of 1423440422330 is 332240443241.

It can be written as a sum of positive squares in 2 ways, for example, as 1213374950089 + 210065472241 = 1101533^2 + 458329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71172021107 + ... + 71172021126.

Almost surely, 2^{1423440422330} is an apocalyptic number.

1423440422330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423440422330 is a deficient number, since it is larger than the sum of its proper divisors (1138752337882).

1423440422330 is a wasteful number, since it uses less digits than its factorization.

1423440422330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142344042240.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1423440422330 its reverse (332240443241), we get a palindrome (1755680865571).

The spelling of 1423440422330 in words is "one trillion, four hundred twenty-three billion, four hundred forty million, four hundred twenty-two thousand, three hundred thirty".