1423043120 has 40 divisors (see below), whose sum is σ = 3452430816. Its totient is φ = 544467968.

The previous prime is 1423043113. The next prime is 1423043147. The reversal of 1423043120 is 213403241.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 1423043092 and 1423043101.

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, 384857 + ... + 388536.

Almost surely, 2^1423043120 is an apocalyptic number.

1423043120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423043120 is an abundant number, since it is smaller than the sum of its proper divisors (2029387696).

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

1423043120 is a wasteful number, since it uses less digits than its factorization.

1423043120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773429 (or 773423 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1423043120 is about 37723.2437629640. The cubic root of 1423043120 is about 1124.7932117041.

Adding to 1423043120 its reverse (213403241), we get a palindrome (1636446361).

The spelling of 1423043120 in words is "one billion, four hundred twenty-three million, forty-three thousand, one hundred twenty".