1423415320 has 32 divisors (see below), whose sum is σ = 3246563520. Its totient is φ = 561565440.

The previous prime is 1423415311. The next prime is 1423415333. The reversal of 1423415320 is 235143241.

It is a super-2 number, since 2×1423415320² = 4052222346421404800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240816 + ... + 246655.

It is an arithmetic number, because the mean of its divisors is an integer number (101455110).

Almost surely, 2^1423415320 is an apocalyptic number.

1423415320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423415320 is an abundant number, since it is smaller than the sum of its proper divisors (1823148200).

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

1423415320 is a wasteful number, since it uses less digits than its factorization.

1423415320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487555 (or 487551 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1423415320 is about 37728.1767383477. The cubic root of 1423415320 is about 1124.8912671866.

Adding to 1423415320 its reverse (235143241), we get a palindrome (1658558561).

The spelling of 1423415320 in words is "one billion, four hundred twenty-three million, four hundred fifteen thousand, three hundred twenty".