1147203023 has 2 divisors, whose sum is σ = 1147203024. Its totient is φ = 1147203022.

The previous prime is 1147203017. The next prime is 1147203041. The reversal of 1147203023 is 3203027411.

It is a weak prime.

It is an emirp because it is prime and its reverse (3203027411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1147203023 - 2²⁰ = 1146154447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1147203023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147203823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573601511 + 573601512.

It is an arithmetic number, because the mean of its divisors is an integer number (573601512).

Almost surely, 2^1147203023 is an apocalyptic number.

1147203023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147203023 is an equidigital number, since it uses as much as digits as its factorization.

1147203023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1147203023 is about 33870.3856340609. The cubic root of 1147203023 is about 1046.8394828827.

The spelling of 1147203023 in words is "one billion, one hundred forty-seven million, two hundred three thousand, twenty-three".