Search a number
-
+
123023223032 = 2323668604473
BaseRepresentation
bin111001010010011000…
…0010110100011111000
3102202112200220020211212
41302210300112203320
54003422421114112
6132303250342252
711613426066503
oct1624460264370
9382480806755
10123023223032
11481a0447356
121ba1428a988
13b7a7640038
145d50a7613a
1533005d5522
hex1ca4c168f8

123023223032 has 16 divisors (see below), whose sum is σ = 240697610640. Its totient is φ = 58837193536.

The previous prime is 123023223031. The next prime is 123023223061. The reversal of 123023223032 is 230322320321.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 123023222989 and 123023223007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023223031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334302053 + ... + 334302420.

It is an arithmetic number, because the mean of its divisors is an integer number (15043600665).

Almost surely, 2123023223032 is an apocalyptic number.

It is an amenable number.

123023223032 is a deficient number, since it is larger than the sum of its proper divisors (117674387608).

123023223032 is a wasteful number, since it uses less digits than its factorization.

123023223032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668604502 (or 668604498 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 123023223032 its reverse (230322320321), we get a palindrome (353345543353).

The spelling of 123023223032 in words is "one hundred twenty-three billion, twenty-three million, two hundred twenty-three thousand, thirty-two".

Divisors: 1 2 4 8 23 46 92 184 668604473 1337208946 2674417892 5348835784 15377902879 30755805758 61511611516 123023223032