1423030240 has 48 divisors (see below), whose sum is σ = 3508087968. Its totient is φ = 544462336.

The previous prime is 1423030229. The next prime is 1423030241. The reversal of 1423030240 is 420303241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423030241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189667 + ... + 197026.

It is an arithmetic number, because the mean of its divisors is an integer number (73085166).

Almost surely, 2^1423030240 is an apocalyptic number.

1423030240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423030240 is an abundant number, since it is smaller than the sum of its proper divisors (2085057728).

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

1423030240 is a wasteful number, since it uses less digits than its factorization.

1423030240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386731 (or 386723 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1423030240 is about 37723.0730455513. The cubic root of 1423030240 is about 1124.7898181831.

Adding to 1423030240 its reverse (420303241), we get a palindrome (1843333481).

The spelling of 1423030240 in words is "one billion, four hundred twenty-three million, thirty thousand, two hundred forty".