123242361623 has 2 divisors, whose sum is σ = 123242361624. Its totient is φ = 123242361622.

The previous prime is 123242361601. The next prime is 123242361707. The reversal of 123242361623 is 326163242321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123242361623 - 2¹⁸ = 123242099479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123242369623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621180811 + 61621180812.

It is an arithmetic number, because the mean of its divisors is an integer number (61621180812).

Almost surely, 2^123242361623 is an apocalyptic number.

123242361623 is a deficient number, since it is larger than the sum of its proper divisors (1).

123242361623 is an equidigital number, since it uses as much as digits as its factorization.

123242361623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

The spelling of 123242361623 in words is "one hundred twenty-three billion, two hundred forty-two million, three hundred sixty-one thousand, six hundred twenty-three".