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1144720523 is a prime number
BaseRepresentation
bin100010000111011…
…0000110010001011
32221202222211100102
41010032300302023
54321022024043
6305331200015
740236651422
oct10416606213
92852884312
101144720523
1153818a521
1227b44600b
1315320b02b
14ac0602b9
156a76b6b8
hex443b0c8b

1144720523 has 2 divisors, whose sum is σ = 1144720524. Its totient is φ = 1144720522.

The previous prime is 1144720487. The next prime is 1144720529. The reversal of 1144720523 is 3250274411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144720523 - 214 = 1144704139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144720529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572360261 + 572360262.

It is an arithmetic number, because the mean of its divisors is an integer number (572360262).

Almost surely, 21144720523 is an apocalyptic number.

1144720523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144720523 is an equidigital number, since it uses as much as digits as its factorization.

1144720523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1144720523 is about 33833.7187285111. The cubic root of 1144720523 is about 1046.0838317407.

Adding to 1144720523 its reverse (3250274411), we get a palindrome (4394994934).

The spelling of 1144720523 in words is "one billion, one hundred forty-four million, seven hundred twenty thousand, five hundred twenty-three".