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23113231001 = 723143560441
BaseRepresentation
bin10101100001101001…
…111110101010011001
32012122210121210022122
4111201221332222121
5334313441343001
614341300431025
71445524136060
oct254151765231
965583553278
1023113231001
1198908a8603
1245906a8475
132244686063
1411939651d7
15904229b1b
hex561a7ea99

23113231001 has 8 divisors (see below), whose sum is σ = 27563604864. Its totient is φ = 18949978080.

The previous prime is 23113230983. The next prime is 23113231039. The reversal of 23113231001 is 10013231132.

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 23113231001 - 210 = 23113229977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23113231201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71780060 + ... + 71780381.

It is an arithmetic number, because the mean of its divisors is an integer number (3445450608).

Almost surely, 223113231001 is an apocalyptic number.

It is an amenable number.

23113231001 is a deficient number, since it is larger than the sum of its proper divisors (4450373863).

23113231001 is a wasteful number, since it uses less digits than its factorization.

23113231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143560471.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23113231001 its reverse (10013231132), we get a palindrome (33126462133).

The spelling of 23113231001 in words is "twenty-three billion, one hundred thirteen million, two hundred thirty-one thousand, one".

Divisors: 1 7 23 161 143560441 1004923087 3301890143 23113231001