106203051243 has 48 divisors (see below), whose sum is σ = 162226288224. Its totient is φ = 66870558720.

The previous prime is 106203051239. The next prime is 106203051277. The reversal of 106203051243 is 342150302601.

106203051243 is a `hidden beast` number, since 1 + 0 + 620 + 30 + 5 + 1 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 106203051243 - 2² = 106203051239 is a prime.

It is a super-2 number, since 2×106203051243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106203051203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1763355 + ... + 1822587.

It is an arithmetic number, because the mean of its divisors is an integer number (3379714338).

Almost surely, 2^106203051243 is an apocalyptic number.

106203051243 is a deficient number, since it is larger than the sum of its proper divisors (56023236981).

106203051243 is a wasteful number, since it uses less digits than its factorization.

106203051243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59436 (or 59433 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 106203051243 its reverse (342150302601), we get a palindrome (448353353844).

The spelling of 106203051243 in words is "one hundred six billion, two hundred three million, fifty-one thousand, two hundred forty-three".