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113243423 = 402128163
BaseRepresentation
bin1101011111111…
…11010100011111
321220002100202212
412233333110133
5212442242143
615123111035
72543360516
oct657772437
9256070685
10113243423
1158a17507
1231b1247b
131a5cc757
141107b67d
159e1d918
hex6bff51f

113243423 has 4 divisors (see below), whose sum is σ = 113275608. Its totient is φ = 113211240.

The previous prime is 113243413. The next prime is 113243441. The reversal of 113243423 is 324342311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324342311 = 1097295663.

It is a cyclic number.

It is not a de Polignac number, because 113243423 - 28 = 113243167 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 (113243413) 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, 10061 + ... + 18102.

It is an arithmetic number, because the mean of its divisors is an integer number (28318902).

Almost surely, 2113243423 is an apocalyptic number.

113243423 is a deficient number, since it is larger than the sum of its proper divisors (32185).

113243423 is an equidigital number, since it uses as much as digits as its factorization.

113243423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32184.

The product of its digits is 1728, while the sum is 23.

The square root of 113243423 is about 10641.5893079934. The cubic root of 113243423 is about 483.8057171077.

Adding to 113243423 its reverse (324342311), we get a palindrome (437585734).

It can be divided in two parts, 11 and 3243423, that multiplied together give a palindrome (35677653).

The spelling of 113243423 in words is "one hundred thirteen million, two hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 4021 28163 113243423