1723245011051 has 2 divisors, whose sum is σ = 1723245011052. Its totient is φ = 1723245011050.

The previous prime is 1723245011041. The next prime is 1723245011101. The reversal of 1723245011051 is 1501105423271.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1723245011051 is a prime.

It is a super-2 number, since 2×1723245011051² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1723245010999 and 1723245011017.

It is not a weakly prime, because it can be changed into another prime (1723245011041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861622505525 + 861622505526.

It is an arithmetic number, because the mean of its divisors is an integer number (861622505526).

Almost surely, 2^{1723245011051} is an apocalyptic number.

1723245011051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1723245011051 is an equidigital number, since it uses as much as digits as its factorization.

1723245011051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 1723245011051 in words is "one trillion, seven hundred twenty-three billion, two hundred forty-five million, eleven thousand, fifty-one".