123003104431 has 2 divisors, whose sum is σ = 123003104432. Its totient is φ = 123003104430.

The previous prime is 123003104383. The next prime is 123003104453. The reversal of 123003104431 is 134401300321.

It is an a-pointer prime, because the next prime (123003104453) can be obtained adding 123003104431 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123003104431 - 2⁹ = 123003103919 is a prime.

It is a super-2 number, since 2×123003104431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123003104531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61501552215 + 61501552216.

It is an arithmetic number, because the mean of its divisors is an integer number (61501552216).

Almost surely, 2^123003104431 is an apocalyptic number.

123003104431 is a deficient number, since it is larger than the sum of its proper divisors (1).

123003104431 is an equidigital number, since it uses as much as digits as its factorization.

123003104431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123003104431 its reverse (134401300321), we get a palindrome (257404404752).

The spelling of 123003104431 in words is "one hundred twenty-three billion, three million, one hundred four thousand, four hundred thirty-one".