123124445203 has 2 divisors, whose sum is σ = 123124445204. Its totient is φ = 123124445202.

The previous prime is 123124445201. The next prime is 123124445239. The reversal of 123124445203 is 302544421321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123124445203 - 2¹ = 123124445201 is a prime.

It is a super-2 number, since 2×123124445203² (a number of 23 digits) contains 22 as substring.

Together with 123124445201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (123124445201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61562222601 + 61562222602.

It is an arithmetic number, because the mean of its divisors is an integer number (61562222602).

Almost surely, 2^123124445203 is an apocalyptic number.

123124445203 is a deficient number, since it is larger than the sum of its proper divisors (1).

123124445203 is an equidigital number, since it uses as much as digits as its factorization.

123124445203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 123124445203 its reverse (302544421321), we get a palindrome (425668866524).

The spelling of 123124445203 in words is "one hundred twenty-three billion, one hundred twenty-four million, four hundred forty-five thousand, two hundred three".