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253012723 is a prime number
BaseRepresentation
bin11110001010010…
…10101011110011
3122122002101012121
433011022223303
51004232401343
641034535111
76161400265
oct1705125363
9578071177
10253012723
1111a901227
1270897497
1340558a92
1425861b35
151732baed
hexf14aaf3

253012723 has 2 divisors, whose sum is σ = 253012724. Its totient is φ = 253012722.

The previous prime is 253012699. The next prime is 253012783. The reversal of 253012723 is 327210352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-253012723 is a prime.

It is not a weakly prime, because it can be changed into another prime (253012783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126506361 + 126506362.

It is an arithmetic number, because the mean of its divisors is an integer number (126506362).

Almost surely, 2253012723 is an apocalyptic number.

253012723 is a deficient number, since it is larger than the sum of its proper divisors (1).

253012723 is an equidigital number, since it uses as much as digits as its factorization.

253012723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 253012723 is about 15906.3736596372. The cubic root of 253012723 is about 632.4809561671.

The spelling of 253012723 in words is "two hundred fifty-three million, twelve thousand, seven hundred twenty-three".