1023265004 has 24 divisors (see below), whose sum is σ = 1820751408. Its totient is φ = 503078400.

The previous prime is 1023264997. The next prime is 1023265013. The reversal of 1023265004 is 4005623201.

It is a super-2 number, since 2×1023265004² = 2094142536822240032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157892 + ... + 164244.

It is an arithmetic number, because the mean of its divisors is an integer number (75864642).

Almost surely, 2^1023265004 is an apocalyptic number.

It is an amenable number.

1023265004 is a deficient number, since it is larger than the sum of its proper divisors (797486404).

1023265004 is a wasteful number, since it uses less digits than its factorization.

1023265004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7025 (or 7023 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1023265004 is about 31988.5136259877. The cubic root of 1023265004 is about 1007.6956267438.

Adding to 1023265004 its reverse (4005623201), we get a palindrome (5028888205).

The spelling of 1023265004 in words is "one billion, twenty-three million, two hundred sixty-five thousand, four".