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1230023023081 is a prime number
BaseRepresentation
bin10001111001100011000…
…101011101100111101001
311100120220102022201002021
4101321203011131213221
5130123041343214311
62341021554104441
7154603055121406
oct21714305354751
94316812281067
101230023023081
11434716a25766
1217a47827b121
138bcb5681218
1443767a472ad
1521ee0861171
hex11e6315d9e9

1230023023081 has 2 divisors, whose sum is σ = 1230023023082. Its totient is φ = 1230023023080.

The previous prime is 1230023023067. The next prime is 1230023023153. The reversal of 1230023023081 is 1803203200321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737477325225 + 492545697856 = 858765^2 + 701816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230023023081 - 25 = 1230023023049 is a prime.

It is a super-2 number, since 2×12300230230812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1230023023781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615011511540 + 615011511541.

It is an arithmetic number, because the mean of its divisors is an integer number (615011511541).

Almost surely, 21230023023081 is an apocalyptic number.

It is an amenable number.

1230023023081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230023023081 is an equidigital number, since it uses as much as digits as its factorization.

1230023023081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 1230023023081 in words is "one trillion, two hundred thirty billion, twenty-three million, twenty-three thousand, eighty-one".