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230022923 = 13101317467
BaseRepresentation
bin11011011010111…
…01111100001011
3121000211101010112
431231131330023
5432341213143
634454104535
75462106524
oct1555357413
9530741115
10230022923
11108929699
126504b14b
1338869850
142279984b
15152d9e18
hexdb5df0b

230022923 has 8 divisors (see below), whose sum is σ = 247975728. Its totient is φ = 212107104.

The previous prime is 230022917. The next prime is 230022979. The reversal of 230022923 is 329220032.

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 230022923 - 212 = 230018827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230022623) 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, 4436 + ... + 21902.

It is an arithmetic number, because the mean of its divisors is an integer number (30996966).

Almost surely, 2230022923 is an apocalyptic number.

230022923 is a deficient number, since it is larger than the sum of its proper divisors (17952805).

230022923 is a wasteful number, since it uses less digits than its factorization.

230022923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18493.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 230022923 is about 15166.5066182032. The cubic root of 230022923 is about 612.7129215593.

Adding to 230022923 its reverse (329220032), we get a palindrome (559242955).

The spelling of 230022923 in words is "two hundred thirty million, twenty-two thousand, nine hundred twenty-three".

Divisors: 1 13 1013 13169 17467 227071 17694071 230022923