203123223213 has 8 divisors (see below), whose sum is σ = 271281600576. Its totient is φ = 135190164000.

The previous prime is 203123223197. The next prime is 203123223253. The reversal of 203123223213 is 312322321302.

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

It is not a de Polignac number, because 203123223213 - 2⁴ = 203123223197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203123223253) 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, 56327433 + ... + 56331038.

It is an arithmetic number, because the mean of its divisors is an integer number (33910200072).

Almost surely, 2^203123223213 is an apocalyptic number.

It is an amenable number.

203123223213 is a deficient number, since it is larger than the sum of its proper divisors (68158377363).

203123223213 is a wasteful number, since it uses less digits than its factorization.

203123223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112659075.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 203123223213 its reverse (312322321302), we get a palindrome (515445544515).

The spelling of 203123223213 in words is "two hundred three billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred thirteen".