1303553023 has 2 divisors, whose sum is σ = 1303553024. Its totient is φ = 1303553022.

The previous prime is 1303552997. The next prime is 1303553051. The reversal of 1303553023 is 3203553031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303553023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303553123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651776511 + 651776512.

It is an arithmetic number, because the mean of its divisors is an integer number (651776512).

Almost surely, 2^1303553023 is an apocalyptic number.

1303553023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303553023 is an equidigital number, since it uses as much as digits as its factorization.

1303553023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 1303553023 is about 36104.7506984884. The cubic root of 1303553023 is about 1092.3862719387.

The spelling of 1303553023 in words is "one billion, three hundred three million, five hundred fifty-three thousand, twenty-three".