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123232321031 is a prime number
BaseRepresentation
bin111001011000100110…
…1111111111000000111
3102210002021100112101012
41302301031333320013
54004334433233111
6132340120152435
711621545305611
oct1626115777007
9383067315335
10123232321031
1148298483816
121ba7230871b
13b80ba61471
145d70745db1
153313b3a48b
hex1cb137fe07

123232321031 has 2 divisors, whose sum is σ = 123232321032. Its totient is φ = 123232321030.

The previous prime is 123232321001. The next prime is 123232321039. The reversal of 123232321031 is 130123232321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123232321031 - 226 = 123165212167 is a prime.

It is a super-2 number, since 2×1232323210312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123232320988 and 123232321006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123232321039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616160515 + 61616160516.

It is an arithmetic number, because the mean of its divisors is an integer number (61616160516).

Almost surely, 2123232321031 is an apocalyptic number.

123232321031 is a deficient number, since it is larger than the sum of its proper divisors (1).

123232321031 is an equidigital number, since it uses as much as digits as its factorization.

123232321031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123232321031 its reverse (130123232321), we get a palindrome (253355553352).

The spelling of 123232321031 in words is "one hundred twenty-three billion, two hundred thirty-two million, three hundred twenty-one thousand, thirty-one".