Search a number
-
+
123421332223 = 7103991695511
BaseRepresentation
bin111001011110001111…
…1000001001011111111
3102210120110000021222201
41302330133001023333
54010231330112343
6132410551252331
711626332004630
oct1627437011377
9383513007881
10123421332223
1148385140712
121bb0567a0a7
13b83bc6bac7
145d8b8a7887
15332552394d
hex1cbc7c12ff

123421332223 has 8 divisors (see below), whose sum is σ = 141066598400. Its totient is φ = 105779477880.

The previous prime is 123421332179. The next prime is 123421332241. The reversal of 123421332223 is 322233124321.

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-123421332223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123421332191 and 123421332200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123421332283) 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 7 ways as a sum of consecutive naturals, for example, 774963 + ... + 920548.

It is an arithmetic number, because the mean of its divisors is an integer number (17633324800).

Almost surely, 2123421332223 is an apocalyptic number.

123421332223 is a deficient number, since it is larger than the sum of its proper divisors (17645266177).

123421332223 is a wasteful number, since it uses less digits than its factorization.

123421332223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705917.

The product of its digits is 10368, while the sum is 28.

Adding to 123421332223 its reverse (322233124321), we get a palindrome (445654456544).

It can be divided in two parts, 1234213 and 32223, that added together give a triangular number (1266436 = T1591).

The spelling of 123421332223 in words is "one hundred twenty-three billion, four hundred twenty-one million, three hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 7 10399 72793 1695511 11868577 17631618889 123421332223