1023400004 has 12 divisors (see below), whose sum is σ = 1953763728. Its totient is φ = 465181800.

The previous prime is 1023399997. The next prime is 1023400013. The reversal of 1023400004 is 4000043201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11629502 + ... + 11629589.

It is an arithmetic number, because the mean of its divisors is an integer number (162813644).

Almost surely, 2^1023400004 is an apocalyptic number.

It is an amenable number.

1023400004 is a deficient number, since it is larger than the sum of its proper divisors (930363724).

1023400004 is a wasteful number, since it uses less digits than its factorization.

1023400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23259106 (or 23259104 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1023400004 is about 31990.6236888248. The cubic root of 1023400004 is about 1007.7399401025.

Adding to 1023400004 its reverse (4000043201), we get a palindrome (5023443205).

The spelling of 1023400004 in words is "one billion, twenty-three million, four hundred thousand, four".