106538623 has 4 divisors (see below), whose sum is σ = 109137168. Its totient is φ = 103940080.

The previous prime is 106538617. The next prime is 106538633. The reversal of 106538623 is 326835601.

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 106538623 - 2²¹ = 104441471 is a prime.

It is a super-2 number, since 2×106538623² = 22700956381472258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106538603) 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 in 3 ways as a sum of consecutive naturals, for example, 1299211 + ... + 1299292.

It is an arithmetic number, because the mean of its divisors is an integer number (27284292).

Almost surely, 2^106538623 is an apocalyptic number.

106538623 is a deficient number, since it is larger than the sum of its proper divisors (2598545).

106538623 is an equidigital number, since it uses as much as digits as its factorization.

106538623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598544.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 106538623 is about 10321.7548411111. The cubic root of 106538623 is about 474.0625989239.

The spelling of 106538623 in words is "one hundred six million, five hundred thirty-eight thousand, six hundred twenty-three".