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123312325 = 524932493
BaseRepresentation
bin1110101100110…
…01100011000101
322121000220201011
413112121203011
5223031443300
620123002221
73025065103
oct726314305
9277026634
10123312325
1163674414
1235369371
131c716796
141253cc73
15ac5beba
hex75998c5

123312325 has 6 divisors (see below), whose sum is σ = 152907314. Its totient is φ = 98649840.

The previous prime is 123312307. The next prime is 123312331. The reversal of 123312325 is 523213321.

It can be written as a sum of positive squares in 3 ways, for example, as 11819844 + 111492481 = 3438^2 + 10559^2 .

It is not a de Polignac number, because 123312325 - 221 = 121215173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123312296 and 123312305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2466222 + ... + 2466271.

Almost surely, 2123312325 is an apocalyptic number.

It is an amenable number.

123312325 is a deficient number, since it is larger than the sum of its proper divisors (29594989).

123312325 is an equidigital number, since it uses as much as digits as its factorization.

123312325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932503 (or 4932498 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 123312325 is about 11104.6082776476. The cubic root of 123312325 is about 497.7395629149.

Adding to 123312325 its reverse (523213321), we get a palindrome (646525646).

The spelling of 123312325 in words is "one hundred twenty-three million, three hundred twelve thousand, three hundred twenty-five".

Divisors: 1 5 25 4932493 24662465 123312325