203123044101 has 8 divisors (see below), whose sum is σ = 270851232384. Its totient is φ = 135405109280.

The previous prime is 203123044099. The next prime is 203123044133. The reversal of 203123044101 is 101440321302.

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 203123044101 - 2¹ = 203123044099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203123044181) 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, 2517021 + ... + 2596466.

It is an arithmetic number, because the mean of its divisors is an integer number (33856404048).

Almost surely, 2^203123044101 is an apocalyptic number.

It is an amenable number.

203123044101 is a deficient number, since it is larger than the sum of its proper divisors (67728188283).

203123044101 is a wasteful number, since it uses less digits than its factorization.

203123044101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126731.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 203123044101 its reverse (101440321302), we get a palindrome (304563365403).

The spelling of 203123044101 in words is "two hundred three billion, one hundred twenty-three million, forty-four thousand, one hundred one".