106003643 has 4 divisors (see below), whose sum is σ = 108468888. Its totient is φ = 103538400.

The previous prime is 106003633. The next prime is 106003669. The reversal of 106003643 is 346300601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346300601 = 1723 ⋅200987.

It is a cyclic number.

It is not a de Polignac number, because 106003643 - 2¹⁰ = 106002619 is a prime.

It is a super-2 number, since 2×106003643² = 22473544658542898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106003633) 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, 1232558 + ... + 1232643.

It is an arithmetic number, because the mean of its divisors is an integer number (27117222).

Almost surely, 2^106003643 is an apocalyptic number.

106003643 is a deficient number, since it is larger than the sum of its proper divisors (2465245).

106003643 is an equidigital number, since it uses as much as digits as its factorization.

106003643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465244.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 106003643 is about 10295.8070591868. The cubic root of 106003643 is about 473.2677707358.

The spelling of 106003643 in words is "one hundred six million, three thousand, six hundred forty-three".