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232123 = 192643

232123 has 6 divisors (see below), whose sum is σ = 245364. Its totient is φ = 219564.

The previous prime is 232117. The next prime is 232129. The reversal of 232123 is 321232.

Adding to 232123 its reverse (321232), we get a palindrome (553355).

It can be divided in two parts, 2 and 32123, that multiplied together give a palindrome (64246).

It is a happy number.

232123 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (232117) and next prime (232129).

It is not a de Polignac number, because 232123 - 25 = 232091 is a prime.

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

It is a Duffinian number.

232123 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (232129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (40894).

2232123 is an apocalyptic number.

232123 is a deficient number, since it is larger than the sum of its proper divisors (13241).

232123 is an equidigital number, since it uses as much as digits as its factorization.

232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 662 counting only the distinct ones).

The product of its digits is 72, while the sum is 13.

The square root of 232123 is about 481.7914486580. The cubic root of 232123 is about 61.4571936461.

The spelling of 232123 in words is "two hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 19 361 643 12217 232123