1023423404 has 24 divisors (see below), whose sum is σ = 1853913600. Its totient is φ = 493952256.

The previous prime is 1023423389. The next prime is 1023423421. The reversal of 1023423404 is 4043243201.

It is a self number, because there is not a number n which added to its sum of digits gives 1023423404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8429 + ... + 46020.

It is an arithmetic number, because the mean of its divisors is an integer number (77246400).

Almost surely, 2^1023423404 is an apocalyptic number.

It is an amenable number.

1023423404 is a deficient number, since it is larger than the sum of its proper divisors (830490196).

1023423404 is a wasteful number, since it uses less digits than its factorization.

1023423404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54617 (or 54615 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1023423404 is about 31990.9894188973. The cubic root of 1023423404 is about 1007.7476206884.

Adding to 1023423404 its reverse (4043243201), we get a palindrome (5066666605).

The spelling of 1023423404 in words is "one billion, twenty-three million, four hundred twenty-three thousand, four hundred four".