Search a number
-
+
123430225135 = 5716325186197
BaseRepresentation
bin111001011110100000…
…0111100010011101111
3102210121001202002202211
41302331000330103233
54010241114201020
6132411510031251
711626500413530
oct1627500742357
9383531662684
10123430225135
114838a165028
121bb08648527
13b840a63799
145d8cb40687
1533261cd85a
hex1cbd03c4ef

123430225135 has 32 divisors (see below), whose sum is σ = 170994765312. Its totient is φ = 83782512000.

The previous prime is 123430225133. The next prime is 123430225153. The reversal of 123430225135 is 531522034321.

It is not a de Polignac number, because 123430225135 - 21 = 123430225133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123430225097 and 123430225106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123430225133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1388857 + ... + 1475053.

It is an arithmetic number, because the mean of its divisors is an integer number (5343586416).

Almost surely, 2123430225135 is an apocalyptic number.

123430225135 is a deficient number, since it is larger than the sum of its proper divisors (47564540177).

123430225135 is a wasteful number, since it uses less digits than its factorization.

123430225135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86623.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 123430225135 its reverse (531522034321), we get a palindrome (654952259456).

The spelling of 123430225135 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred twenty-five thousand, one hundred thirty-five".

Divisors: 1 5 7 35 163 251 815 1141 1255 1757 5705 8785 40913 86197 204565 286391 430985 603379 1431955 3016895 14050111 21635447 70250555 98350777 108177235 151448129 491753885 757240645 3526577861 17632889305 24686045027 123430225135