Search a number
-
+
122123043023 = 179682251637
BaseRepresentation
bin111000110111100011…
…0011100000011001111
3102200012222001101000112
41301233012130003033
54000101444334043
6132034052350235
711552215511132
oct1615706340317
9380188041015
10122123043023
1147879301833
121b80291537b
13b692cb2747
145ca72b0219
15329b570518
hex1c6f19c0cf

122123043023 has 4 divisors (see below), whose sum is σ = 122805294840. Its totient is φ = 121440791208.

The previous prime is 122123042947. The next prime is 122123043041. The reversal of 122123043023 is 320340321221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320340321221 = 1392123011301.

It is a cyclic number.

It is not a de Polignac number, because 122123043023 - 212 = 122123038927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122123043023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122123049023) 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, 341125640 + ... + 341125997.

It is an arithmetic number, because the mean of its divisors is an integer number (30701323710).

Almost surely, 2122123043023 is an apocalyptic number.

122123043023 is a deficient number, since it is larger than the sum of its proper divisors (682251817).

122123043023 is an equidigital number, since it uses as much as digits as its factorization.

122123043023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682251816.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 122123043023 its reverse (320340321221), we get a palindrome (442463364244).

The spelling of 122123043023 in words is "one hundred twenty-two billion, one hundred twenty-three million, forty-three thousand, twenty-three".

Divisors: 1 179 682251637 122123043023