123042196973 has 2 divisors, whose sum is σ = 123042196974. Its totient is φ = 123042196972.

The previous prime is 123042196969. The next prime is 123042196987. The reversal of 123042196973 is 379691240321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122733210889 + 308986084 = 350333^2 + 17578^2 .

It is a cyclic number.

It is not a de Polignac number, because 123042196973 - 2² = 123042196969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123042196943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61521098486 + 61521098487.

It is an arithmetic number, because the mean of its divisors is an integer number (61521098487).

Almost surely, 2^123042196973 is an apocalyptic number.

It is an amenable number.

123042196973 is a deficient number, since it is larger than the sum of its proper divisors (1).

123042196973 is an equidigital number, since it uses as much as digits as its factorization.

123042196973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 123042196973 in words is "one hundred twenty-three billion, forty-two million, one hundred ninety-six thousand, nine hundred seventy-three".