106212523 has 4 divisors (see below), whose sum is σ = 106239448. Its totient is φ = 106185600.

The previous prime is 106212503. The next prime is 106212539. The reversal of 106212523 is 325212601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106212523 - 2¹³ = 106204331 is a prime.

It is a super-2 number, since 2×106212523² = 22562200084051058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106212494 and 106212503.

It is not an unprimeable number, because it can be changed into a prime (106212503) 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, 6261 + ... + 15862.

It is an arithmetic number, because the mean of its divisors is an integer number (26559862).

Almost surely, 2^106212523 is an apocalyptic number.

106212523 is a deficient number, since it is larger than the sum of its proper divisors (26925).

106212523 is an equidigital number, since it uses as much as digits as its factorization.

106212523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26924.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 106212523 is about 10305.9460021873. The cubic root of 106212523 is about 473.5784245592.

The spelling of 106212523 in words is "one hundred six million, two hundred twelve thousand, five hundred twenty-three".