Search a number
-
+
123242404232 = 23194318855937
BaseRepresentation
bin111001011000111010…
…0011101100110001000
3102210002222022210221002
41302301310131212020
54004400023413412
6132341120234132
711622030102653
oct1626164354610
9383088283832
10123242404232
11482a3140442
121ba7576b948
13b810b81b5c
145d71c0c89a
15331497cdc2
hex1cb1d1d988

123242404232 has 32 divisors (see below), whose sum is σ = 248898381600. Its totient is φ = 57020350464.

The previous prime is 123242404199. The next prime is 123242404261. The reversal of 123242404232 is 232404242321.

It is a junction number, because it is equal to n+sod(n) for n = 123242404195 and 123242404204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9421433 + ... + 9434504.

It is an arithmetic number, because the mean of its divisors is an integer number (7778074425).

Almost surely, 2123242404232 is an apocalyptic number.

It is an amenable number.

123242404232 is an abundant number, since it is smaller than the sum of its proper divisors (125655977368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123242404232 is a wasteful number, since it uses less digits than its factorization.

123242404232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18856005 (or 18856001 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 123242404232 its reverse (232404242321), we get a palindrome (355646646553).

The spelling of 123242404232 in words is "one hundred twenty-three billion, two hundred forty-two million, four hundred four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 19 38 43 76 86 152 172 344 817 1634 3268 6536 18855937 37711874 75423748 150847496 358262803 716525606 810805291 1433051212 1621610582 2866102424 3243221164 6486442328 15405300529 30810601058 61621202116 123242404232