1023273803 has 2 divisors, whose sum is σ = 1023273804. Its totient is φ = 1023273802.

The previous prime is 1023273799. The next prime is 1023273821. The reversal of 1023273803 is 3083723201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023273803 - 2² = 1023273799 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023273893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511636901 + 511636902.

It is an arithmetic number, because the mean of its divisors is an integer number (511636902).

Almost surely, 2^1023273803 is an apocalyptic number.

1023273803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023273803 is an equidigital number, since it uses as much as digits as its factorization.

1023273803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1023273803 is about 31988.6511594347. The cubic root of 1023273803 is about 1007.6985151088.

The spelling of 1023273803 in words is "one billion, twenty-three million, two hundred seventy-three thousand, eight hundred three".