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123230133011 = 3110936469409
BaseRepresentation
bin111001011000100010…
…1101001101100010011
3102210002010020100222102
41302301011221230103
54004333403224021
6132340001231015
711621520563546
oct1626105515423
9383063210872
10123230133011
1148297219937
121ba7163246b
13b80b47658b
145d7033685d
15331385700b
hex1cb1169b13

123230133011 has 8 divisors (see below), whose sum is σ = 128372323200. Its totient is φ = 118160881920.

The previous prime is 123230132969. The next prime is 123230133023. The reversal of 123230133011 is 110331032321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123230133011 - 26 = 123230132947 is a prime.

It is a super-2 number, since 2×1232301330112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123230133031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18231326 + ... + 18238083.

It is an arithmetic number, because the mean of its divisors is an integer number (16046540400).

Almost surely, 2123230133011 is an apocalyptic number.

123230133011 is a deficient number, since it is larger than the sum of its proper divisors (5142190189).

123230133011 is a wasteful number, since it uses less digits than its factorization.

123230133011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36469549.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123230133011 its reverse (110331032321), we get a palindrome (233561165332).

The spelling of 123230133011 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred thirty-three thousand, eleven".

Divisors: 1 31 109 3379 36469409 1130551679 3975165581 123230133011