123013020303 has 24 divisors (see below), whose sum is σ = 184360529808. Its totient is φ = 81966795264.

The previous prime is 123013020257. The next prime is 123013020313. The reversal of 123013020303 is 303020310321.

123013020303 is a `hidden beast` number, since 1 + 230 + 130 + 2 + 0 + 303 = 666.

It is not a de Polignac number, because 123013020303 - 2²¹ = 123010923151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013020313) 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 in 23 ways as a sum of consecutive naturals, for example, 351151 + ... + 607727.

It is an arithmetic number, because the mean of its divisors is an integer number (7681688742).

Almost surely, 2^123013020303 is an apocalyptic number.

123013020303 is a deficient number, since it is larger than the sum of its proper divisors (61347509505).

123013020303 is an equidigital number, since it uses as much as digits as its factorization.

123013020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258565 (or 258553 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 123013020303 its reverse (303020310321), we get a palindrome (426033330624).

The spelling of 123013020303 in words is "one hundred twenty-three billion, thirteen million, twenty thousand, three hundred three".