123034143977 has 2 divisors, whose sum is σ = 123034143978. Its totient is φ = 123034143976.

The previous prime is 123034143971. The next prime is 123034144001. The reversal of 123034143977 is 779341430321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78301470976 + 44732673001 = 279824^2 + 211501^2 .

It is a cyclic number.

It is not a de Polignac number, because 123034143977 - 2²² = 123029949673 is a prime.

It is not a weakly prime, because it can be changed into another prime (123034143971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61517071988 + 61517071989.

It is an arithmetic number, because the mean of its divisors is an integer number (61517071989).

Almost surely, 2^123034143977 is an apocalyptic number.

It is an amenable number.

123034143977 is a deficient number, since it is larger than the sum of its proper divisors (1).

123034143977 is an equidigital number, since it uses as much as digits as its factorization.

123034143977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 123034143977 in words is "one hundred twenty-three billion, thirty-four million, one hundred forty-three thousand, nine hundred seventy-seven".