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230033023 = 11197910567
BaseRepresentation
bin11011011011000…
…00011001111111
3121000211212222121
431231200121333
5432342024043
634454223411
75462151133
oct1555403177
9530755877
10230033023
11108936240
1265054b67
133887131c
142279d3c3
15152dcded
hexdb6067f

230033023 has 8 divisors (see below), whose sum is σ = 251095680. Its totient is φ = 208995480.

The previous prime is 230033021. The next prime is 230033029. The reversal of 230033023 is 320330032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230033023 - 21 = 230033021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230032988 and 230033006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230033021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16486 + ... + 27052.

It is an arithmetic number, because the mean of its divisors is an integer number (31386960).

Almost surely, 2230033023 is an apocalyptic number.

230033023 is a deficient number, since it is larger than the sum of its proper divisors (21062657).

230033023 is a wasteful number, since it uses less digits than its factorization.

230033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12557.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 230033023 is about 15166.8395850948. The cubic root of 230033023 is about 612.7218892307.

Adding to 230033023 its reverse (320330032), we get a palindrome (550363055).

The spelling of 230033023 in words is "two hundred thirty million, thirty-three thousand, twenty-three".

Divisors: 1 11 1979 10567 21769 116237 20912093 230033023