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23400300197 is a prime number
BaseRepresentation
bin10101110010110001…
…000011111010100101
32020101210210102020002
4111302301003322211
5340410434101242
614425553351045
71455611161361
oct256261037245
966353712202
1023400300197
119a1894a97a
124650868485
13228bca72a1
1411bdb302a1
1591e532432
hex572c43ea5

23400300197 has 2 divisors, whose sum is σ = 23400300198. Its totient is φ = 23400300196.

The previous prime is 23400300179. The next prime is 23400300229. The reversal of 23400300197 is 79100300432.

Together with previous prime (23400300179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23249845441 + 150454756 = 152479^2 + 12266^2 .

It is a cyclic number.

It is not a de Polignac number, because 23400300197 - 210 = 23400299173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23400300397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700150098 + 11700150099.

It is an arithmetic number, because the mean of its divisors is an integer number (11700150099).

Almost surely, 223400300197 is an apocalyptic number.

It is an amenable number.

23400300197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23400300197 is an equidigital number, since it uses as much as digits as its factorization.

23400300197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 23400300197 in words is "twenty-three billion, four hundred million, three hundred thousand, one hundred ninety-seven".