101723 has 2 divisors, whose sum is σ = 101724. Its totient is φ = 101722.

The previous prime is 101719. The next prime is 101737. The reversal of 101723 is 327101.

It is an a-pointer prime, because the next prime (101737) can be obtained adding 101723 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101723 - 2² = 101719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101698 and 101707.

It is not a weakly prime, because it can be changed into another prime (101323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50861 + 50862.

It is an arithmetic number, because the mean of its divisors is an integer number (50862).

2¹⁰¹⁷²³ is an apocalyptic number.

101723 is a deficient number, since it is larger than the sum of its proper divisors (1).

101723 is an equidigital number, since it uses as much as digits as its factorization.

101723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 101723 is about 318.9404333100. The cubic root of 101723 is about 46.6809536755.

Adding to 101723 its reverse (327101), we get a palindrome (428824).

The spelling of 101723 in words is "one hundred one thousand, seven hundred twenty-three", and thus it is an iban number.