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1213230023 is a prime number
BaseRepresentation
bin100100001010000…
…0110101111000111
310010112220110201022
41020110012233013
54441041330043
6320215421355
742031166525
oct11024065707
93115813638
101213230023
11572922745
1229a38485b
131644772b5
14b71b5315
15717a0868
hex48506bc7

1213230023 has 2 divisors, whose sum is σ = 1213230024. Its totient is φ = 1213230022.

The previous prime is 1213230019. The next prime is 1213230091. The reversal of 1213230023 is 3200323121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213230023 - 22 = 1213230019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213229983 and 1213230010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213230323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606615011 + 606615012.

It is an arithmetic number, because the mean of its divisors is an integer number (606615012).

Almost surely, 21213230023 is an apocalyptic number.

1213230023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213230023 is an equidigital number, since it uses as much as digits as its factorization.

1213230023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1213230023 is about 34831.4516349807. The cubic root of 1213230023 is about 1066.5495815602.

Adding to 1213230023 its reverse (3200323121), we get a palindrome (4413553144).

The spelling of 1213230023 in words is "one billion, two hundred thirteen million, two hundred thirty thousand, twenty-three".