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130023233 is a prime number
BaseRepresentation
bin1111011111111…
…11111101000001
3100001122212100022
413233333331001
5231241220413
620522503225
73136115324
oct757777501
9301585308
10130023233
116743841a
1237664b15
1320c26232
14133a87bb
15b635608
hex7bfff41

130023233 has 2 divisors, whose sum is σ = 130023234. Its totient is φ = 130023232.

The previous prime is 130023227. The next prime is 130023247. The reversal of 130023233 is 332320031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129800449 + 222784 = 11393^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 130023233 - 26 = 130023169 is a prime.

It is a super-2 number, since 2×1300232332 = 33812082239544578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130023203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65011616 + 65011617.

It is an arithmetic number, because the mean of its divisors is an integer number (65011617).

Almost surely, 2130023233 is an apocalyptic number.

It is an amenable number.

130023233 is a deficient number, since it is larger than the sum of its proper divisors (1).

130023233 is an equidigital number, since it uses as much as digits as its factorization.

130023233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 130023233 is about 11402.7730399232. The cubic root of 130023233 is about 506.6098779746.

Adding to 130023233 its reverse (332320031), we get a palindrome (462343264).

The spelling of 130023233 in words is "one hundred thirty million, twenty-three thousand, two hundred thirty-three".