123011303423 has 2 divisors, whose sum is σ = 123011303424. Its totient is φ = 123011303422.

The previous prime is 123011303369. The next prime is 123011303497. The reversal of 123011303423 is 324303110321.

It is a weak prime.

It is an emirp because it is prime and its reverse (324303110321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123011303423 - 2²⁶ = 122944194559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123011303923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505651711 + 61505651712.

It is an arithmetic number, because the mean of its divisors is an integer number (61505651712).

Almost surely, 2^123011303423 is an apocalyptic number.

123011303423 is a deficient number, since it is larger than the sum of its proper divisors (1).

123011303423 is an equidigital number, since it uses as much as digits as its factorization.

123011303423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123011303423 its reverse (324303110321), we get a palindrome (447314413744).

The spelling of 123011303423 in words is "one hundred twenty-three billion, eleven million, three hundred three thousand, four hundred twenty-three".