123031212003 has 12 divisors (see below), whose sum is σ = 203099143728. Its totient is φ = 70303549680.

The previous prime is 123031211983. The next prime is 123031212071. The reversal of 123031212003 is 300212130321.

123031212003 is a `hidden beast` number, since 1 + 230 + 312 + 120 + 0 + 3 = 666.

It is not a de Polignac number, because 123031212003 - 2⁹ = 123031211491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123031212803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976438128 + ... + 976438253.

It is an arithmetic number, because the mean of its divisors is an integer number (16924928644).

Almost surely, 2^123031212003 is an apocalyptic number.

123031212003 is a deficient number, since it is larger than the sum of its proper divisors (80067931725).

123031212003 is a wasteful number, since it uses less digits than its factorization.

123031212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952876394 (or 1952876391 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123031212003 its reverse (300212130321), we get a palindrome (423243342324).

The spelling of 123031212003 in words is "one hundred twenty-three billion, thirty-one million, two hundred twelve thousand, three".