123123012203 has 8 divisors (see below), whose sum is σ = 130327214400. Its totient is φ = 115991214408.

The previous prime is 123123012167. The next prime is 123123012239. The reversal of 123123012203 is 302210321321.

It is an interprime number because it is at equal distance from previous prime (123123012167) and next prime (123123012239).

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 123123012203 - 2²⁴ = 123106234987 is a prime.

It is a super-2 number, since 2×123123012203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123123012403) 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, 18097601 + ... + 18104402.

It is an arithmetic number, because the mean of its divisors is an integer number (16290901800).

Almost surely, 2^123123012203 is an apocalyptic number.

123123012203 is a deficient number, since it is larger than the sum of its proper divisors (7204202197).

123123012203 is a wasteful number, since it uses less digits than its factorization.

123123012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36202201.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123123012203 its reverse (302210321321), we get a palindrome (425333333524).

The spelling of 123123012203 in words is "one hundred twenty-three billion, one hundred twenty-three million, twelve thousand, two hundred three".