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23010220121 = 724126474327
BaseRepresentation
bin10101011011100001…
…000001100001011001
32012101121210021221212
4111123201001201121
5334111104020441
614323140512505
71443133433600
oct253341014131
965347707855
1023010220121
11983873aa49
1245620ab735
132229229c85
141183dcca37
158ea17ceeb
hex55b841859

23010220121 has 24 divisors (see below), whose sum is σ = 27436542336. Its totient is φ = 19230281280.

The previous prime is 23010220109. The next prime is 23010220151. The reversal of 23010220121 is 12102201032.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-23010220121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23010220096 and 23010220105.

It is not an unprimeable number, because it can be changed into a prime (23010220151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5315660 + ... + 5319986.

It is an arithmetic number, because the mean of its divisors is an integer number (1143189264).

Almost surely, 223010220121 is an apocalyptic number.

It is an amenable number.

23010220121 is a deficient number, since it is larger than the sum of its proper divisors (4426322215).

23010220121 is a wasteful number, since it uses less digits than its factorization.

23010220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029 (or 7022 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 23010220121 its reverse (12102201032), we get a palindrome (35112421153).

The spelling of 23010220121 in words is "twenty-three billion, ten million, two hundred twenty thousand, one hundred twenty-one".

Divisors: 1 7 41 49 287 2009 2647 4327 18529 30289 108527 129703 177407 212023 759689 1241849 5317823 8692943 11453569 80174983 469596329 561224881 3287174303 23010220121