2303123013 has 6 divisors (see below), whose sum is σ = 3326733254. Its totient is φ = 1535415336.

The previous prime is 2303122973. The next prime is 2303123027. The reversal of 2303123013 is 3103213032.

It can be written as a sum of positive squares in only one way, i.e., 1686991329 + 616131684 = 41073^2 + 24822^2 .

It is not a de Polignac number, because 2303123013 - 2⁹ = 2303122501 is a prime.

It is a super-2 number, since 2×2303123013² = 10608751226020396338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303123033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127951270 + ... + 127951287.

Almost surely, 2^2303123013 is an apocalyptic number.

It is an amenable number.

2303123013 is a deficient number, since it is larger than the sum of its proper divisors (1023610241).

2303123013 is a wasteful number, since it uses less digits than its factorization.

2303123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255902563 (or 255902560 counting only the distinct ones).

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

The square root of 2303123013 is about 47990.8638492786. The cubic root of 2303123013 is about 1320.6033003241.

Adding to 2303123013 its reverse (3103213032), we get a palindrome (5406336045).

It can be divided in two parts, 2303 and 123013, that added together give a square (125316 = 354²).

The spelling of 2303123013 in words is "two billion, three hundred three million, one hundred twenty-three thousand, thirteen".