103123001977 has 2 divisors, whose sum is σ = 103123001978. Its totient is φ = 103123001976.

The previous prime is 103123001953. The next prime is 103123002049. The reversal of 103123001977 is 779100321301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87723184761 + 15399817216 = 296181^2 + 124096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103123001977 is a prime.

It is not a weakly prime, because it can be changed into another prime (103123001077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51561500988 + 51561500989.

It is an arithmetic number, because the mean of its divisors is an integer number (51561500989).

Almost surely, 2^103123001977 is an apocalyptic number.

It is an amenable number.

103123001977 is a deficient number, since it is larger than the sum of its proper divisors (1).

103123001977 is an equidigital number, since it uses as much as digits as its factorization.

103123001977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 34.

The spelling of 103123001977 in words is "one hundred three billion, one hundred twenty-three million, one thousand, nine hundred seventy-seven".