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123233142 = 2325917927
BaseRepresentation
bin1110101100001…
…10001101110110
322120212220002110
413112012031312
5223021430032
620121151450
73024315204
oct726061566
9276786073
10123233142
116361a97a
123532b586
131c6b9726
141251c074
15ac437cc
hex7586376

123233142 has 16 divisors (see below), whose sum is σ = 246592512. Its totient is φ = 41056680.

The previous prime is 123233129. The next prime is 123233147. The reversal of 123233142 is 241332321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123233147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11583 + ... + 19509.

It is an arithmetic number, because the mean of its divisors is an integer number (15412032).

Almost surely, 2123233142 is an apocalyptic number.

123233142 is an abundant number, since it is smaller than the sum of its proper divisors (123359370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123233142 is a wasteful number, since it uses less digits than its factorization.

123233142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10523.

The product of its digits is 864, while the sum is 21.

The square root of 123233142 is about 11101.0423834881. The cubic root of 123233142 is about 497.6330016530.

Adding to 123233142 its reverse (241332321), we get a palindrome (364565463).

The spelling of 123233142 in words is "one hundred twenty-three million, two hundred thirty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 2591 5182 7773 7927 15546 15854 23781 47562 20538857 41077714 61616571 123233142