1423333240 has 64 divisors (see below), whose sum is σ = 3663336960. Its totient is φ = 487555200.

The previous prime is 1423333231. The next prime is 1423333243. The reversal of 1423333240 is 423333241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423333243) by changing a digit.

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, 497815 + ... + 500665.

It is an arithmetic number, because the mean of its divisors is an integer number (57239640).

Almost surely, 2^1423333240 is an apocalyptic number.

1423333240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423333240 is an abundant number, since it is smaller than the sum of its proper divisors (2240003720).

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

1423333240 is a wasteful number, since it uses less digits than its factorization.

1423333240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652 (or 4648 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 1423333240 is about 37727.0889415020. The cubic root of 1423333240 is about 1124.8696448139.

Adding to 1423333240 its reverse (423333241), we get a palindrome (1846666481).

Subtracting from 1423333240 its reverse (423333241), we obtain a palindrome (999999999).

The spelling of 1423333240 in words is "one billion, four hundred twenty-three million, three hundred thirty-three thousand, two hundred forty".