1423471824 has 60 divisors (see below), whose sum is σ = 3995701476. Its totient is φ = 473066496.

The previous prime is 1423471813. The next prime is 1423471837. The reversal of 1423471824 is 4281743241.

It can be written as a sum of positive squares in 2 ways, for example, as 781761600 + 641710224 = 27960^2 + 25332^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33862 + ... + 63194.

Almost surely, 2^1423471824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423471824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997850738).

1423471824 is an abundant number, since it is smaller than the sum of its proper divisors (2572229652).

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

1423471824 is a wasteful number, since it uses less digits than its factorization.

1423471824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29684 (or 29675 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 1423471824 is about 37728.9255611659. The cubic root of 1423471824 is about 1124.9061515787.

The spelling of 1423471824 in words is "one billion, four hundred twenty-three million, four hundred seventy-one thousand, eight hundred twenty-four".