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23347660789 is a prime number
BaseRepresentation
bin10101101111101000…
…010000011111110101
32020021010202001112101
4111233220100133311
5340304000121124
614420433222101
71454401561615
oct255750203765
966233661471
1023347660789
1199a1167132
124637101931
1322811066cb
1411b6b4aa45
15919ad5644
hex56fa107f5

23347660789 has 2 divisors, whose sum is σ = 23347660790. Its totient is φ = 23347660788.

The previous prime is 23347660741. The next prime is 23347660799. The reversal of 23347660789 is 98706674332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14651165764 + 8696495025 = 121042^2 + 93255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23347660789 is a prime.

It is a super-2 number, since 2×233476607892 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23347660799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11673830394 + 11673830395.

It is an arithmetic number, because the mean of its divisors is an integer number (11673830395).

Almost surely, 223347660789 is an apocalyptic number.

It is an amenable number.

23347660789 is a deficient number, since it is larger than the sum of its proper divisors (1).

23347660789 is an equidigital number, since it uses as much as digits as its factorization.

23347660789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 23347660789 in words is "twenty-three billion, three hundred forty-seven million, six hundred sixty thousand, seven hundred eighty-nine".