1204203023 has 4 divisors (see below), whose sum is σ = 1204275408. Its totient is φ = 1204130640.

The previous prime is 1204203017. The next prime is 1204203037. The reversal of 1204203023 is 3203024021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1204203023 - 2¹⁸ = 1203940879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204202992 and 1204203010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204203043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678 + ... + 49148.

It is an arithmetic number, because the mean of its divisors is an integer number (301068852).

Almost surely, 2^1204203023 is an apocalyptic number.

1204203023 is a deficient number, since it is larger than the sum of its proper divisors (72385).

1204203023 is an equidigital number, since it uses as much as digits as its factorization.

1204203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72384.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1204203023 is about 34701.6285352719. The cubic root of 1204203023 is about 1063.8977841840.

Adding to 1204203023 its reverse (3203024021), we get a palindrome (4407227044).

The spelling of 1204203023 in words is "one billion, two hundred four million, two hundred three thousand, twenty-three".