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23133122001 = 3211233667899
BaseRepresentation
bin10101100010110101…
…110110110111010001
32012201012001100122100
4111202311312313101
5334334034401001
614343251031013
71446155202243
oct254265666721
965635040570
1023133122001
1198a1053a50
12459729b469
13224882b992
141196462093
15905d58586
hex562d76dd1

23133122001 has 12 divisors (see below), whose sum is σ = 36452192400. Its totient is φ = 14020073880.

The previous prime is 23133121987. The next prime is 23133122017. The reversal of 23133122001 is 10022133132.

It is not a de Polignac number, because 23133122001 - 27 = 23133121873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23133122081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116833851 + ... + 116834048.

It is an arithmetic number, because the mean of its divisors is an integer number (3037682700).

Almost surely, 223133122001 is an apocalyptic number.

It is an amenable number.

23133122001 is a deficient number, since it is larger than the sum of its proper divisors (13319070399).

23133122001 is a wasteful number, since it uses less digits than its factorization.

23133122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233667916 (or 233667913 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23133122001 its reverse (10022133132), we get a palindrome (33155255133).

The spelling of 23133122001 in words is "twenty-three billion, one hundred thirty-three million, one hundred twenty-two thousand, one".

Divisors: 1 3 9 11 33 99 233667899 701003697 2103011091 2570346889 7711040667 23133122001