203030663165623 has 8 divisors (see below), whose sum is σ = 204894655404560. Its totient is φ = 201166695028800.

The previous prime is 203030663165611. The next prime is 203030663165639. The reversal of 203030663165623 is 326561366030302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203030663165623 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 (203030663165653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11122336 + ... + 23016682.

It is an arithmetic number, because the mean of its divisors is an integer number (25611831925570).

Almost surely, 2^{203030663165623} is an apocalyptic number.

203030663165623 is a deficient number, since it is larger than the sum of its proper divisors (1863992238937).

203030663165623 is a wasteful number, since it uses less digits than its factorization.

203030663165623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12051057.

The product of its (nonzero) digits is 2099520, while the sum is 46.

The spelling of 203030663165623 in words is "two hundred three trillion, thirty billion, six hundred sixty-three million, one hundred sixty-five thousand, six hundred twenty-three".