1023435424 has 72 divisors (see below), whose sum is σ = 2237494644. Its totient is φ = 460416000.

The previous prime is 1023435421. The next prime is 1023435467. The reversal of 1023435424 is 4245343201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 690007824 + 333427600 = 26268^2 + 18260^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1023435392 and 1023435401.

It is not an unprimeable number, because it can be changed into a prime (1023435421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389764 + ... + 392380.

Almost surely, 2^1023435424 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 1023435424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118747322).

1023435424 is an abundant number, since it is smaller than the sum of its proper divisors (1214059220).

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

1023435424 is a wasteful number, since it uses less digits than its factorization.

1023435424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1023435424 is about 31991.1772837450. The cubic root of 1023435424 is about 1007.7515659695.

Adding to 1023435424 its reverse (4245343201), we get a palindrome (5268778625).

The spelling of 1023435424 in words is "one billion, twenty-three million, four hundred thirty-five thousand, four hundred twenty-four".