1423052928 has 384 divisors, whose sum is σ = 4786084800. Its totient is φ = 415641600.

The previous prime is 1423052921. The next prime is 1423052971. The reversal of 1423052928 is 8292503241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1423052892 and 1423052901.

It is not an unprimeable number, because it can be changed into a prime (1423052921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17145175 + ... + 17145257.

Almost surely, 2^1423052928 is an apocalyptic number.

1423052928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423052928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2393042400).

1423052928 is an abundant number, since it is smaller than the sum of its proper divisors (3363031872).

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

1423052928 is a wasteful number, since it uses less digits than its factorization.

1423052928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1423052928 is about 37723.3737621650. The cubic root of 1423052928 is about 1124.7957958250.

The spelling of 1423052928 in words is "one billion, four hundred twenty-three million, fifty-two thousand, nine hundred twenty-eight".