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230401023 = 3301925439
BaseRepresentation
bin11011011101110…
…10001111111111
3121001112120210020
431232322033333
5432440313043
634510143223
75465243046
oct1556721777
9531476706
10230401023
11109067776
12651b1b13
133896c988
142285755d
1515361e83
hexdbba3ff

230401023 has 8 divisors (see below), whose sum is σ = 307315200. Its totient is φ = 153543768.

The previous prime is 230401013. The next prime is 230401057. The reversal of 230401023 is 320104032.

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

It is not a de Polignac number, because 230401023 - 25 = 230400991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230400993 and 230401011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230401013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3663 + ... + 21776.

It is an arithmetic number, because the mean of its divisors is an integer number (38414400).

Almost surely, 2230401023 is an apocalyptic number.

230401023 is a deficient number, since it is larger than the sum of its proper divisors (76914177).

230401023 is a wasteful number, since it uses less digits than its factorization.

230401023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28461.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 230401023 is about 15178.9664667921. The cubic root of 230401023 is about 613.0484532452.

Adding to 230401023 its reverse (320104032), we get a palindrome (550505055).

The spelling of 230401023 in words is "two hundred thirty million, four hundred one thousand, twenty-three".

Divisors: 1 3 3019 9057 25439 76317 76800341 230401023