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23420223132 = 2231951685261
BaseRepresentation
bin10101110011111101…
…000011111010011100
32020110012021121100120
4111303331003322130
5340431034120012
614431544354540
71456242416625
oct256375037234
966405247316
1023420223132
119a29118309
124657475a50
1322931615c7
1411c2638a4c
1592116a58c
hex573f43e9c

23420223132 has 12 divisors (see below), whose sum is σ = 54647187336. Its totient is φ = 7806741040.

The previous prime is 23420223131. The next prime is 23420223143. The reversal of 23420223132 is 23132202432.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420223131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975842619 + ... + 975842642.

It is an arithmetic number, because the mean of its divisors is an integer number (4553932278).

Almost surely, 223420223132 is an apocalyptic number.

It is an amenable number.

23420223132 is an abundant number, since it is smaller than the sum of its proper divisors (31226964204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23420223132 is a wasteful number, since it uses less digits than its factorization.

23420223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951685268 (or 1951685266 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23420223132 its reverse (23132202432), we get a palindrome (46552425564).

The spelling of 23420223132 in words is "twenty-three billion, four hundred twenty million, two hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1951685261 3903370522 5855055783 7806741044 11710111566 23420223132