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230112023 = 278982507
BaseRepresentation
bin11011011011100…
…11101100010111
3121000222220100112
431231303230113
5432402041043
634500033235
75462630351
oct1555635427
9530886315
10230112023
1110898a629
126509281b
133889b27b
14227c00d1
1515306518
hexdb73b17

230112023 has 4 divisors (see below), whose sum is σ = 230197320. Its totient is φ = 230026728.

The previous prime is 230112019. The next prime is 230112041. The reversal of 230112023 is 320211032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230112023 - 22 = 230112019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230111989 and 230112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230112073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38465 + ... + 44042.

It is an arithmetic number, because the mean of its divisors is an integer number (57549330).

Almost surely, 2230112023 is an apocalyptic number.

230112023 is a deficient number, since it is larger than the sum of its proper divisors (85297).

230112023 is an equidigital number, since it uses as much as digits as its factorization.

230112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85296.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 230112023 is about 15169.4437274410. The cubic root of 230112023 is about 612.7920233480.

Adding to 230112023 its reverse (320211032), we get a palindrome (550323055).

Subtracting 230112023 from its reverse (320211032), we obtain a palindrome (90099009).

The spelling of 230112023 in words is "two hundred thirty million, one hundred twelve thousand, twenty-three".

Divisors: 1 2789 82507 230112023