Search a number
-
+
123233413 = 413005693
BaseRepresentation
bin1110101100001…
…10010010000101
322120212220110111
413112012102011
5223021432123
620121153021
73024316042
oct726062205
9276786414
10123233413
11636200a6
123532b771
131c6b98a4
141251c1c9
15ac4390d
hex7586485

123233413 has 4 divisors (see below), whose sum is σ = 126239148. Its totient is φ = 120227680.

The previous prime is 123233387. The next prime is 123233431. The reversal of 123233413 is 314332321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314332321 = 1512081671.

It can be written as a sum of positive squares in 2 ways, for example, as 14615329 + 108618084 = 3823^2 + 10422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123233413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123233113) 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, 1502806 + ... + 1502887.

It is an arithmetic number, because the mean of its divisors is an integer number (31559787).

Almost surely, 2123233413 is an apocalyptic number.

It is an amenable number.

123233413 is a deficient number, since it is larger than the sum of its proper divisors (3005735).

123233413 is an equidigital number, since it uses as much as digits as its factorization.

123233413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005734.

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

The square root of 123233413 is about 11101.0545895424. The cubic root of 123233413 is about 497.6333664316.

Adding to 123233413 its reverse (314332321), we get a palindrome (437565734).

The spelling of 123233413 in words is "one hundred twenty-three million, two hundred thirty-three thousand, four hundred thirteen".

Divisors: 1 41 3005693 123233413