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23430655669 is a prime number
BaseRepresentation
bin10101110100100100…
…110110111010110101
32020110220220122002211
4111310210312322311
5340441221440134
614433000133421
71456430200321
oct256444667265
966426818084
1023430655669
119a33aa3443
12465aa67271
132295374cc5
1411c3b92981
1592202b764
hex574936eb5

23430655669 has 2 divisors, whose sum is σ = 23430655670. Its totient is φ = 23430655668.

The previous prime is 23430655639. The next prime is 23430655691. The reversal of 23430655669 is 96655603432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21036021444 + 2394634225 = 145038^2 + 48935^2 .

It is a cyclic number.

It is not a de Polignac number, because 23430655669 - 219 = 23430131381 is a prime.

It is a super-2 number, since 2×234306556692 (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 (23430655639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715327834 + 11715327835.

It is an arithmetic number, because the mean of its divisors is an integer number (11715327835).

Almost surely, 223430655669 is an apocalyptic number.

It is an amenable number.

23430655669 is a deficient number, since it is larger than the sum of its proper divisors (1).

23430655669 is an equidigital number, since it uses as much as digits as its factorization.

23430655669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 23430655669 in words is "twenty-three billion, four hundred thirty million, six hundred fifty-five thousand, six hundred sixty-nine".