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23373681757 is a prime number
BaseRepresentation
bin10101110001001011…
…100001010001011101
32020022221201001120221
4111301023201101131
5340332130304012
614423203041341
71455136005526
oct256113412135
966287631527
1023373681757
119a0491a068
124643970251
13228661752a
1411ba3a184d
1591c025507
hex5712e145d

23373681757 has 2 divisors, whose sum is σ = 23373681758. Its totient is φ = 23373681756.

The previous prime is 23373681659. The next prime is 23373681787. The reversal of 23373681757 is 75718637332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23209303716 + 164378041 = 152346^2 + 12821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23373681757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23373681787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11686840878 + 11686840879.

It is an arithmetic number, because the mean of its divisors is an integer number (11686840879).

Almost surely, 223373681757 is an apocalyptic number.

It is an amenable number.

23373681757 is a deficient number, since it is larger than the sum of its proper divisors (1).

23373681757 is an equidigital number, since it uses as much as digits as its factorization.

23373681757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 52.

The spelling of 23373681757 in words is "twenty-three billion, three hundred seventy-three million, six hundred eighty-one thousand, seven hundred fifty-seven".