1023140404 has 48 divisors (see below), whose sum is σ = 2154874176. Its totient is φ = 418809600.

The previous prime is 1023140369. The next prime is 1023140407. The reversal of 1023140404 is 4040413201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023140407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639 + ... + 45265.

It is an arithmetic number, because the mean of its divisors is an integer number (44893212).

Almost surely, 2^1023140404 is an apocalyptic number.

It is an amenable number.

1023140404 is an abundant number, since it is smaller than the sum of its proper divisors (1131733772).

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

1023140404 is a wasteful number, since it uses less digits than its factorization.

1023140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43696 (or 43694 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1023140404 is about 31986.5659926163. The cubic root of 1023140404 is about 1007.6547236961.

Adding to 1023140404 its reverse (4040413201), we get a palindrome (5063553605).

The spelling of 1023140404 in words is "one billion, twenty-three million, one hundred forty thousand, four hundred four".