123203012203 has 16 divisors (see below), whose sum is σ = 126543949056. Its totient is φ = 119909013280.

The previous prime is 123203012201. The next prime is 123203012249. The reversal of 123203012203 is 302210302321.

It is a cyclic number.

It is not a de Polignac number, because 123203012203 - 2¹ = 123203012201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123203012201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8083476 + ... + 8098702.

It is an arithmetic number, because the mean of its divisors is an integer number (7908996816).

Almost surely, 2^123203012203 is an apocalyptic number.

123203012203 is a deficient number, since it is larger than the sum of its proper divisors (3340936853).

123203012203 is a wasteful number, since it uses less digits than its factorization.

123203012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16754.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123203012203 its reverse (302210302321), we get a palindrome (425413314524).

The spelling of 123203012203 in words is "one hundred twenty-three billion, two hundred three million, twelve thousand, two hundred three".