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230130379 is a prime number
BaseRepresentation
bin11011011011110…
…00001011001011
3121001000211112101
431231320023023
5432403133004
634500254231
75463035023
oct1555701313
9531024471
10230130379
111089a23a6
12650a1377
13388a672b
14227c6a83
151530bba4
hexdb782cb

230130379 has 2 divisors, whose sum is σ = 230130380. Its totient is φ = 230130378.

The previous prime is 230130371. The next prime is 230130401. The reversal of 230130379 is 973031032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230130379 - 23 = 230130371 is a prime.

It is not a weakly prime, because it can be changed into another prime (230130371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115065189 + 115065190.

It is an arithmetic number, because the mean of its divisors is an integer number (115065190).

Almost surely, 2230130379 is an apocalyptic number.

230130379 is a deficient number, since it is larger than the sum of its proper divisors (1).

230130379 is an equidigital number, since it uses as much as digits as its factorization.

230130379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 230130379 is about 15170.0487474497. The cubic root of 230130379 is about 612.8083170226.

The spelling of 230130379 in words is "two hundred thirty million, one hundred thirty thousand, three hundred seventy-nine".