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232002423 = 3225778047
BaseRepresentation
bin11011101010000…
…01001101110111
3121011112221111100
431311001031313
5433343034143
635004341143
75514662622
oct1565011567
9534487440
10232002423
11109a60944
12658447b3
13390b0853
1422b52db9
151557b6d3
hexdd41377

232002423 has 6 divisors (see below), whose sum is σ = 335114624. Its totient is φ = 154668276.

The previous prime is 232002413. The next prime is 232002427. The reversal of 232002423 is 324200232.

It is not a de Polignac number, because 232002423 - 25 = 232002391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232002396 and 232002405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232002427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12889015 + ... + 12889032.

Almost surely, 2232002423 is an apocalyptic number.

232002423 is a deficient number, since it is larger than the sum of its proper divisors (103112201).

232002423 is a wasteful number, since it uses less digits than its factorization.

232002423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25778053 (or 25778050 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 232002423 is about 15231.6257503918. The cubic root of 232002423 is about 614.4655042745.

Adding to 232002423 its reverse (324200232), we get a palindrome (556202655).

The spelling of 232002423 in words is "two hundred thirty-two million, two thousand, four hundred twenty-three".

Divisors: 1 3 9 25778047 77334141 232002423