1423143504 has 60 divisors (see below), whose sum is σ = 3994250676. Its totient is φ = 473020416.

The previous prime is 1423143493. The next prime is 1423143517. The reversal of 1423143504 is 4053413241.

It is a happy number.

1423143504 is a `hidden beast` number, since 14 + 2 + 3 + 143 + 504 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1014295104 + 408848400 = 31848^2 + 20220^2 .

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, 36834 + ... + 64830.

Almost surely, 2^1423143504 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 1423143504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997125338).

1423143504 is an abundant number, since it is smaller than the sum of its proper divisors (2571107172).

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

1423143504 is a wasteful number, since it uses less digits than its factorization.

1423143504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28364 (or 28355 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1423143504 is about 37724.5742719517. The cubic root of 1423143504 is about 1124.8196593887.

Adding to 1423143504 its reverse (4053413241), we get a palindrome (5476556745).

The spelling of 1423143504 in words is "one billion, four hundred twenty-three million, one hundred forty-three thousand, five hundred four".