1423453022240 has 96 divisors (see below), whose sum is σ = 3561102531504. Its totient is φ = 535831511040.

The previous prime is 1423453022227. The next prime is 1423453022269. The reversal of 1423453022240 is 422203543241.

It can be written as a sum of positive squares in 8 ways, for example, as 423525020944 + 999928001296 = 650788^2 + 999964^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1423453022197 and 1423453022206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32882210 + ... + 32925470.

Almost surely, 2^{1423453022240} is an apocalyptic number.

1423453022240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423453022240 is an abundant number, since it is smaller than the sum of its proper divisors (2137649509264).

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

1423453022240 is a wasteful number, since it uses less digits than its factorization.

1423453022240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55390 (or 55382 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 1423453022240 its reverse (422203543241), we get a palindrome (1845656565481).

The spelling of 1423453022240 in words is "one trillion, four hundred twenty-three billion, four hundred fifty-three million, twenty-two thousand, two hundred forty".