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1232023231 is a prime number
BaseRepresentation
bin100100101101111…
…0010111010111111
310011212021021011001
41021123302322333
510010344220411
6322130311131
742350011315
oct11133627277
93155237131
101232023231
1158249931a
122a47284a7
1316832733a
14b98a80b5
1573263dc1
hex496f2ebf

1232023231 has 2 divisors, whose sum is σ = 1232023232. Its totient is φ = 1232023230.

The previous prime is 1232023187. The next prime is 1232023271. The reversal of 1232023231 is 1323202321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232023231 - 217 = 1231892159 is a prime.

It is a super-2 number, since 2×12320232312 = 3035762483447358722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232023199 and 1232023208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232023271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616011615 + 616011616.

It is an arithmetic number, because the mean of its divisors is an integer number (616011616).

Almost surely, 21232023231 is an apocalyptic number.

1232023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232023231 is an equidigital number, since it uses as much as digits as its factorization.

1232023231 is an evil number, because the sum of its binary digits is even.

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

The square root of 1232023231 is about 35100.1884752775. The cubic root of 1232023231 is about 1072.0284202827.

Adding to 1232023231 its reverse (1323202321), we get a palindrome (2555225552).

The spelling of 1232023231 in words is "one billion, two hundred thirty-two million, twenty-three thousand, two hundred thirty-one".