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23531445097 is a prime number
BaseRepresentation
bin10101111010100101…
…010101101101101001
32020201221120021012121
4111322211111231221
5341143022220342
614451000311241
71462062661126
oct257245255551
966657507177
1023531445097
119a85983a96
124688772521
1322b0203c14
1411d330b74d
1592acda067
hex57a955b69

23531445097 has 2 divisors, whose sum is σ = 23531445098. Its totient is φ = 23531445096.

The previous prime is 23531445083. The next prime is 23531445103. The reversal of 23531445097 is 79054413532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14146485721 + 9384959376 = 118939^2 + 96876^2 .

It is a cyclic number.

It is not a de Polignac number, because 23531445097 - 211 = 23531443049 is a prime.

It is not a weakly prime, because it can be changed into another prime (23531445697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765722548 + 11765722549.

It is an arithmetic number, because the mean of its divisors is an integer number (11765722549).

Almost surely, 223531445097 is an apocalyptic number.

It is an amenable number.

23531445097 is a deficient number, since it is larger than the sum of its proper divisors (1).

23531445097 is an equidigital number, since it uses as much as digits as its factorization.

23531445097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 23531445097 in words is "twenty-three billion, five hundred thirty-one million, four hundred forty-five thousand, ninety-seven".