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123303233131 = 1319499203373
BaseRepresentation
bin111001011010101110…
…0100000011001101011
3102210021012210020111021
41302311130200121223
54010011111430011
6132351132113311
711623366121461
oct1626534403153
9383235706437
10123303233131
1148324508061
121ba92005837
13b82065c1a0
145d79d24831
153319e96471
hex1cb572066b

123303233131 has 8 divisors (see below), whose sum is σ = 139776944720. Its totient is φ = 107827928352.

The previous prime is 123303233129. The next prime is 123303233143. The reversal of 123303233131 is 131332303321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123303233131 - 21 = 123303233129 is a prime.

It is a super-2 number, since 2×1233032331312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123303233096 and 123303233105.

It is not an unprimeable number, because it can be changed into a prime (123303233161) 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 7 ways as a sum of consecutive naturals, for example, 249601440 + ... + 249601933.

It is an arithmetic number, because the mean of its divisors is an integer number (17472118090).

Almost surely, 2123303233131 is an apocalyptic number.

123303233131 is a deficient number, since it is larger than the sum of its proper divisors (16473711589).

123303233131 is a wasteful number, since it uses less digits than its factorization.

123303233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499203405.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 123303233131 its reverse (131332303321), we get a palindrome (254635536452).

The spelling of 123303233131 in words is "one hundred twenty-three billion, three hundred three million, two hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 13 19 247 499203373 6489643849 9484864087 123303233131