1423233020 has 24 divisors (see below), whose sum is σ = 3260497968. Its totient is φ = 517539200.

The previous prime is 1423233011. The next prime is 1423233067. The reversal of 1423233020 is 203323241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1423232983 and 1423233001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3234401 + ... + 3234840.

It is an arithmetic number, because the mean of its divisors is an integer number (135854082).

Almost surely, 2^1423233020 is an apocalyptic number.

1423233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423233020 is an abundant number, since it is smaller than the sum of its proper divisors (1837264948).

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

1423233020 is a wasteful number, since it uses less digits than its factorization.

1423233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469261 (or 6469259 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1423233020 is about 37725.7606947826. The cubic root of 1423233020 is about 1124.8432426852.

Adding to 1423233020 its reverse (203323241), we get a palindrome (1626556261).

The spelling of 1423233020 in words is "one billion, four hundred twenty-three million, two hundred thirty-three thousand, twenty".