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23022030021 = 3234314095507
BaseRepresentation
bin10101011100001110…
…000100110011000101
32012102110000022002120
4111130032010303011
5334122114430041
614324242000153
71443336012024
oct253416046305
965373008076
1023022030021
1198443769a1
124566046059
13222b803593
1411857c48bb
158eb212366
hex55c384cc5

23022030021 has 32 divisors (see below), whose sum is σ = 32804766720. Its totient is φ = 14326523904.

The previous prime is 23022030011. The next prime is 23022030049. The reversal of 23022030021 is 12003022032.

It is not a de Polignac number, because 23022030021 - 215 = 23021997253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022030011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4177750 + ... + 4183256.

It is an arithmetic number, because the mean of its divisors is an integer number (1025148960).

Almost surely, 223022030021 is an apocalyptic number.

It is an amenable number.

23022030021 is a deficient number, since it is larger than the sum of its proper divisors (9782736699).

23022030021 is a wasteful number, since it uses less digits than its factorization.

23022030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6985.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23022030021 its reverse (12003022032), we get a palindrome (35025052053).

The spelling of 23022030021 in words is "twenty-three billion, twenty-two million, thirty thousand, twenty-one".

Divisors: 1 3 23 43 69 129 989 1409 2967 4227 5507 16521 32407 60587 97221 126661 181761 236801 379983 710403 1393501 4180503 5446423 7759363 16339269 23278089 178465349 333652609 535396047 1000957827 7674010007 23022030021