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23002130123 = 723373833637
BaseRepresentation
bin10101011011000010…
…001010011011001011
32012101001120021120022
4111123002022123023
5334102021130443
614322251251055
71443004610600
oct253302123313
965331507508
1023002130123
1198341148a5
12455b449a8b
1322276568ab
141182cc46a7
158e95d0e68
hex55b08a6cb

23002130123 has 24 divisors (see below), whose sum is σ = 26914447872. Its totient is φ = 19600890624.

The previous prime is 23002130111. The next prime is 23002130147. The reversal of 23002130123 is 32103120032.

It is not a de Polignac number, because 23002130123 - 26 = 23002130059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23002130183) 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 23 ways as a sum of consecutive naturals, for example, 6322661 + ... + 6326297.

It is an arithmetic number, because the mean of its divisors is an integer number (1121435328).

Almost surely, 223002130123 is an apocalyptic number.

23002130123 is a deficient number, since it is larger than the sum of its proper divisors (3912317749).

23002130123 is a wasteful number, since it uses less digits than its factorization.

23002130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371 (or 4364 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23002130123 its reverse (32103120032), we get a palindrome (55105250155).

The spelling of 23002130123 in words is "twenty-three billion, two million, one hundred thirty thousand, one hundred twenty-three".

Divisors: 1 7 49 337 383 2359 2681 3637 16513 18767 25459 129071 178213 903497 1225669 1392971 6324479 8579683 9750797 60057781 68255579 469431227 3286018589 23002130123