1423313020 has 12 divisors (see below), whose sum is σ = 2988957384. Its totient is φ = 569325200.

The previous prime is 1423312999. The next prime is 1423313057. The reversal of 1423313020 is 203133241.

It is a congruent number.

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, 35582806 + ... + 35582845.

It is an arithmetic number, because the mean of its divisors is an integer number (249079782).

Almost surely, 2^1423313020 is an apocalyptic number.

1423313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423313020 is an abundant number, since it is smaller than the sum of its proper divisors (1565644364).

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

1423313020 is a wasteful number, since it uses less digits than its factorization.

1423313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71165660 (or 71165658 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1423313020 is about 37726.8209633412. The cubic root of 1423313020 is about 1124.8643181222.

Adding to 1423313020 its reverse (203133241), we get a palindrome (1626446261).

The spelling of 1423313020 in words is "one billion, four hundred twenty-three million, three hundred thirteen thousand, twenty".