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250123423 = 1122738493
BaseRepresentation
bin11101110100010…
…01010010011111
3122102122120211111
432322021102133
51003012422143
640453002451
76125004544
oct1672112237
9572576744
10250123423
11119208480
126b923427
133ca86934
142530cbcb
1516e5a99d
hexee8949f

250123423 has 4 divisors (see below), whose sum is σ = 272861928. Its totient is φ = 227384920.

The previous prime is 250123421. The next prime is 250123457. The reversal of 250123423 is 324321052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 250123423 - 21 = 250123421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250123394 and 250123403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250123421) 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, 11369236 + ... + 11369257.

It is an arithmetic number, because the mean of its divisors is an integer number (68215482).

Almost surely, 2250123423 is an apocalyptic number.

250123423 is a deficient number, since it is larger than the sum of its proper divisors (22738505).

250123423 is a wasteful number, since it uses less digits than its factorization.

250123423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22738504.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 250123423 is about 15815.2907972000. The cubic root of 250123423 is about 630.0641767158.

Adding to 250123423 its reverse (324321052), we get a palindrome (574444475).

The spelling of 250123423 in words is "two hundred fifty million, one hundred twenty-three thousand, four hundred twenty-three".

Divisors: 1 11 22738493 250123423