20103534623 has 8 divisors (see below), whose sum is σ = 20580595200. Its totient is φ = 19626907608.

The previous prime is 20103534557. The next prime is 20103534631. The reversal of 20103534623 is 32643530102.

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

It is a cyclic number.

It is not a de Polignac number, because 20103534623 - 2²² = 20099340319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103534683) 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 7 ways as a sum of consecutive naturals, for example, 13583 + ... + 200976.

It is an arithmetic number, because the mean of its divisors is an integer number (2572574400).

Almost surely, 2^20103534623 is an apocalyptic number.

20103534623 is a deficient number, since it is larger than the sum of its proper divisors (477060577).

20103534623 is a wasteful number, since it uses less digits than its factorization.

20103534623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216781.

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 20103534623 in words is "twenty billion, one hundred three million, five hundred thirty-four thousand, six hundred twenty-three".