106561723 has 2 divisors, whose sum is σ = 106561724. Its totient is φ = 106561722.

The previous prime is 106561717. The next prime is 106561727. The reversal of 106561723 is 327165601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106561723 - 2⁹ = 106561211 is a prime.

It is a super-2 number, since 2×106561723² = 22710801617457458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106561727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53280861 + 53280862.

It is an arithmetic number, because the mean of its divisors is an integer number (53280862).

Almost surely, 2^106561723 is an apocalyptic number.

106561723 is a deficient number, since it is larger than the sum of its proper divisors (1).

106561723 is an equidigital number, since it uses as much as digits as its factorization.

106561723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 106561723 is about 10322.8737762311. The cubic root of 106561723 is about 474.0968589708.

The spelling of 106561723 in words is "one hundred six million, five hundred sixty-one thousand, seven hundred twenty-three".