106423642 has 8 divisors (see below), whose sum is σ = 171915156. Its totient is φ = 49118592.

The previous prime is 106423637. The next prime is 106423703. The reversal of 106423642 is 246324601.

It can be written as a sum of positive squares in 2 ways, for example, as 94458961 + 11964681 = 9719^2 + 3459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106423642² = 22651983153088328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106423642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046583 + ... + 2046634.

Almost surely, 2^106423642 is an apocalyptic number.

106423642 is a deficient number, since it is larger than the sum of its proper divisors (65491514).

106423642 is a wasteful number, since it uses less digits than its factorization.

106423642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093232.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 106423642 is about 10316.1834997251. The cubic root of 106423642 is about 473.8919947145.

The spelling of 106423642 in words is "one hundred six million, four hundred twenty-three thousand, six hundred forty-two".