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23445001453 is a prime number
BaseRepresentation
bin10101110101011011…
…100101010011101101
32020111220220110211011
4111311123211103231
5341003410021303
614434231425221
71456663136626
oct256533452355
966456813734
1023445001453
119a41101665
124663825211
132298328933
1411c5a48a4d
1592341216d
hex5756e54ed

23445001453 has 2 divisors, whose sum is σ = 23445001454. Its totient is φ = 23445001452.

The previous prime is 23445001429. The next prime is 23445001471. The reversal of 23445001453 is 35410054432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21047626084 + 2397375369 = 145078^2 + 48963^2 .

It is a cyclic number.

It is not a de Polignac number, because 23445001453 - 221 = 23442904301 is a prime.

It is a super-2 number, since 2×234450014532 (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 (23445002453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11722500726 + 11722500727.

It is an arithmetic number, because the mean of its divisors is an integer number (11722500727).

Almost surely, 223445001453 is an apocalyptic number.

It is an amenable number.

23445001453 is a deficient number, since it is larger than the sum of its proper divisors (1).

23445001453 is an equidigital number, since it uses as much as digits as its factorization.

23445001453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 23445001453 its reverse (35410054432), we get a palindrome (58855055885).

The spelling of 23445001453 in words is "twenty-three billion, four hundred forty-five million, one thousand, four hundred fifty-three".