1423002120 has 64 divisors (see below), whose sum is σ = 4341384000. Its totient is φ = 373033728.

The previous prime is 1423002101. The next prime is 1423002121. The reversal of 1423002120 is 212003241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1423002120.

It is not an unprimeable number, because it can be changed into a prime (1423002121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93415 + ... + 107574.

It is an arithmetic number, because the mean of its divisors is an integer number (67834125).

Almost surely, 2^1423002120 is an apocalyptic number.

1423002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423002120 is an abundant number, since it is smaller than the sum of its proper divisors (2918381880).

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

1423002120 is a wasteful number, since it uses less digits than its factorization.

1423002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201062 (or 201058 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1423002120 is about 37722.7003275216. The cubic root of 1423002120 is about 1124.7824092757.

Adding to 1423002120 its reverse (212003241), we get a palindrome (1635005361).

The spelling of 1423002120 in words is "one billion, four hundred twenty-three million, two thousand, one hundred twenty".