106723013 has 4 divisors (see below), whose sum is σ = 111363168. Its totient is φ = 102082860.

The previous prime is 106723009. The next prime is 106723021. The reversal of 106723013 is 310327601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106723013 - 2² = 106723009 is a prime.

It is a super-2 number, since 2×106723013² = 22779603007596338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4640131 = 106723013 / (1 + 0 + 6 + 7 + 2 + 3 + 0 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106723013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106723063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320043 + ... + 2320088.

It is an arithmetic number, because the mean of its divisors is an integer number (27840792).

Almost surely, 2^106723013 is an apocalyptic number.

It is an amenable number.

106723013 is a deficient number, since it is larger than the sum of its proper divisors (4640155).

106723013 is an equidigital number, since it uses as much as digits as its factorization.

106723013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640154.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 106723013 is about 10330.6830848691. The cubic root of 106723013 is about 474.3359333554.

The spelling of 106723013 in words is "one hundred six million, seven hundred twenty-three thousand, thirteen".