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2122237423 = 5693729767
BaseRepresentation
bin111111001111110…
…1100010111101111
312110220100211110001
41332133230113233
513321243044143
6550330525131
7103406502055
oct17637542757
95426324401
102122237423
11999a47429
124b28967a7
1327a8a57b7
14161bd81d5
15c64ab14d
hex7e7ec5ef

2122237423 has 4 divisors (see below), whose sum is σ = 2125967760. Its totient is φ = 2118507088.

The previous prime is 2122237373. The next prime is 2122237427. The reversal of 2122237423 is 3247322212.

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 2122237423 - 29 = 2122236911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122237391 and 2122237400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122237427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864315 + ... + 1865452.

It is an arithmetic number, because the mean of its divisors is an integer number (531491940).

Almost surely, 22122237423 is an apocalyptic number.

2122237423 is a deficient number, since it is larger than the sum of its proper divisors (3730337).

2122237423 is an equidigital number, since it uses as much as digits as its factorization.

2122237423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730336.

The product of its digits is 8064, while the sum is 28.

The square root of 2122237423 is about 46067.7481867738. The cubic root of 2122237423 is about 1285.0834271865.

Adding to 2122237423 its reverse (3247322212), we get a palindrome (5369559635).

The spelling of 2122237423 in words is "two billion, one hundred twenty-two million, two hundred thirty-seven thousand, four hundred twenty-three".

Divisors: 1 569 3729767 2122237423