Search a number
-
+
234313123 = 1121301193
BaseRepresentation
bin11011111011101…
…01010110100011
3121022220100011211
431331311112203
5434441004443
635130050551
75543425432
oct1575652643
9538810154
10234313123
11110299a10
1266579a57
133970c525
1423195119
151588619d
hexdf755a3

234313123 has 4 divisors (see below), whose sum is σ = 255614328. Its totient is φ = 213011920.

The previous prime is 234313117. The next prime is 234313133. The reversal of 234313123 is 321313432.

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

It is a de Polignac number, because none of the positive numbers 2k-234313123 is a prime.

It is a super-2 number, since 2×2343131232 = 109805279220026258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234313094 and 234313103.

It is not an unprimeable number, because it can be changed into a prime (234313133) 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, 10650586 + ... + 10650607.

It is an arithmetic number, because the mean of its divisors is an integer number (63903582).

Almost surely, 2234313123 is an apocalyptic number.

234313123 is a deficient number, since it is larger than the sum of its proper divisors (21301205).

234313123 is a wasteful number, since it uses less digits than its factorization.

234313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21301204.

The product of its digits is 1296, while the sum is 22.

The square root of 234313123 is about 15307.2898646364. The cubic root of 234313123 is about 616.4987553876.

Adding to 234313123 its reverse (321313432), we get a palindrome (555626555).

The spelling of 234313123 in words is "two hundred thirty-four million, three hundred thirteen thousand, one hundred twenty-three".

Divisors: 1 11 21301193 234313123