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1232013223 = 7241613247
BaseRepresentation
bin100100101101111…
…0000011110100111
310011212020202102101
41021123300132213
510010343410343
6322130152531
742346640200
oct11133603647
93155222371
101232013223
11582491851
122a4722747
1316832290c
14b98a45a7
1573260e4d
hex496f07a7

1232013223 has 12 divisors (see below), whose sum is σ = 1468115712. Its totient is φ = 1030253280.

The previous prime is 1232013187. The next prime is 1232013227. The reversal of 1232013223 is 3223102321.

It is not a de Polignac number, because 1232013223 - 29 = 1232012711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232013223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232013227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304615 + ... + 308632.

It is an arithmetic number, because the mean of its divisors is an integer number (122342976).

Almost surely, 21232013223 is an apocalyptic number.

1232013223 is a deficient number, since it is larger than the sum of its proper divisors (236102489).

1232013223 is an equidigital number, since it uses as much as digits as its factorization.

1232013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613302 (or 613295 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1232013223 is about 35100.0459116509. The cubic root of 1232013223 is about 1072.0255174993.

Adding to 1232013223 its reverse (3223102321), we get a palindrome (4455115544).

The spelling of 1232013223 in words is "one billion, two hundred thirty-two million, thirteen thousand, two hundred twenty-three".

Divisors: 1 7 41 49 287 2009 613247 4292729 25143127 30049103 176001889 1232013223