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123230 = 2512323
BaseRepresentation
bin11110000101011110
320021001002
4132011132
512420410
62350302
71022162
oct360536
9207032
10123230
1184648
125b392
1344123
1432ca2
15267a5
hex1e15e

123230 has 8 divisors (see below), whose sum is σ = 221832. Its totient is φ = 49288.

The previous prime is 123229. The next prime is 123239. The reversal of 123230 is 32321.

123230 is nontrivially palindromic in base 11.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123239) 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, 6152 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (27729).

2123230 is an apocalyptic number.

123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123230 is a deficient number, since it is larger than the sum of its proper divisors (98602).

123230 is a wasteful number, since it uses less digits than its factorization.

123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 123230 is about 351.0413081106. The cubic root of 123230 is about 49.7628772336.

Adding to 123230 its reverse (32321), we get a palindrome (155551).

Subtracting from 123230 its reverse (32321), we obtain a palindrome (90909).

It can be divided in two parts, 123 and 230, that added together give a palindrome (353).

The spelling of 123230 in words is "one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 12323 24646 61615 123230