123012124003 has 4 divisors (see below), whose sum is σ = 123049257448. Its totient is φ = 122974990560.

The previous prime is 123012123977. The next prime is 123012124009. The reversal of 123012124003 is 300421210321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300421210321 = 334423 ⋅898327.

It is a cyclic number.

It is not a de Polignac number, because 123012124003 - 2¹⁷ = 123011992931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123012124009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18561753 + ... + 18568378.

It is an arithmetic number, because the mean of its divisors is an integer number (30762314362).

Almost surely, 2^123012124003 is an apocalyptic number.

123012124003 is a deficient number, since it is larger than the sum of its proper divisors (37133445).

123012124003 is an equidigital number, since it uses as much as digits as its factorization.

123012124003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37133444.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123012124003 its reverse (300421210321), we get a palindrome (423433334324).

The spelling of 123012124003 in words is "one hundred twenty-three billion, twelve million, one hundred twenty-four thousand, three".