1203399023 has 2 divisors, whose sum is σ = 1203399024. Its totient is φ = 1203399022.

The previous prime is 1203399011. The next prime is 1203399049. The reversal of 1203399023 is 3209933021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1203399023 - 2¹⁴ = 1203382639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203399053) by changing a digit.

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 as a sum of consecutive naturals, namely, 601699511 + 601699512.

It is an arithmetic number, because the mean of its divisors is an integer number (601699512).

Almost surely, 2^1203399023 is an apocalyptic number.

1203399023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203399023 is an equidigital number, since it uses as much as digits as its factorization.

1203399023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 1203399023 is about 34690.0421302713. The cubic root of 1203399023 is about 1063.6609569383.

The spelling of 1203399023 in words is "one billion, two hundred three million, three hundred ninety-nine thousand, twenty-three".