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1444230453923 is a prime number
BaseRepresentation
bin10101000001000010110…
…101111101101010100011
312010001210220101122202222
4111001002311331222203
5142130240444011143
63023245330501255
7206225243210525
oct25010265755243
95101726348688
101444230453923
11507549492a44
121b3a99a3482b
13a62622688ba
144dc88999a15
152787b23e768
hex15042d7daa3

1444230453923 has 2 divisors, whose sum is σ = 1444230453924. Its totient is φ = 1444230453922.

The previous prime is 1444230453917. The next prime is 1444230453931. The reversal of 1444230453923 is 3293540324441.

It is a weak prime.

It is an emirp because it is prime and its reverse (3293540324441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444230453923 - 28 = 1444230453667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1444230443923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722115226961 + 722115226962.

It is an arithmetic number, because the mean of its divisors is an integer number (722115226962).

Almost surely, 21444230453923 is an apocalyptic number.

1444230453923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444230453923 is an equidigital number, since it uses as much as digits as its factorization.

1444230453923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 1444230453923 in words is "one trillion, four hundred forty-four billion, two hundred thirty million, four hundred fifty-three thousand, nine hundred twenty-three".