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122423443 = 1737919001
BaseRepresentation
bin1110100110000…
…00100010010011
322112100202101121
413103000202103
5222320022233
620051543111
73014403442
oct723004223
9275322347
10122423443
11631175aa
1234bbaa97
131c49500c
141238ad59
15ab3392d
hex74c0893

122423443 has 8 divisors (see below), whose sum is σ = 129973680. Its totient is φ = 114912000.

The previous prime is 122423429. The next prime is 122423447. The reversal of 122423443 is 344324221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122423443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122423447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3058 + ... + 15943.

It is an arithmetic number, because the mean of its divisors is an integer number (16246710).

Almost surely, 2122423443 is an apocalyptic number.

122423443 is a deficient number, since it is larger than the sum of its proper divisors (7550237).

122423443 is a wasteful number, since it uses less digits than its factorization.

122423443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19397.

The product of its digits is 4608, while the sum is 25.

The square root of 122423443 is about 11064.5127773436. The cubic root of 122423443 is about 496.5407125218.

Adding to 122423443 its reverse (344324221), we get a palindrome (466747664).

The spelling of 122423443 in words is "one hundred twenty-two million, four hundred twenty-three thousand, four hundred forty-three".

Divisors: 1 17 379 6443 19001 323017 7201379 122423443