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23402420969 is a prime number
BaseRepresentation
bin10101110010111001…
…001001101011101001
32020101221210011101012
4111302321021223221
5340412004432334
614430111033305
71455635203364
oct256271115351
966357704335
1023402420969
119a1a069284
12465150b835
13228c56a695
1411c01230db
1591e8009ce
hex572e49ae9

23402420969 has 2 divisors, whose sum is σ = 23402420970. Its totient is φ = 23402420968.

The previous prime is 23402420963. The next prime is 23402421019. The reversal of 23402420969 is 96902420432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19333512025 + 4068908944 = 139045^2 + 63788^2 .

It is a cyclic number.

It is not a de Polignac number, because 23402420969 - 24 = 23402420953 is a prime.

It is a super-2 number, since 2×234024209692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23402420963) 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 as a sum of consecutive naturals, namely, 11701210484 + 11701210485.

It is an arithmetic number, because the mean of its divisors is an integer number (11701210485).

Almost surely, 223402420969 is an apocalyptic number.

It is an amenable number.

23402420969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23402420969 is an equidigital number, since it uses as much as digits as its factorization.

23402420969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 23402420969 in words is "twenty-three billion, four hundred two million, four hundred twenty thousand, nine hundred sixty-nine".