123903077 has 2 divisors, whose sum is σ = 123903078. Its totient is φ = 123903076.

The previous prime is 123903067. The next prime is 123903079. The reversal of 123903077 is 770309321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121903681 + 1999396 = 11041^2 + 1414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123903077 is a prime.

Together with 123903079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123903079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61951538 + 61951539.

It is an arithmetic number, because the mean of its divisors is an integer number (61951539).

Almost surely, 2^123903077 is an apocalyptic number.

It is an amenable number.

123903077 is a deficient number, since it is larger than the sum of its proper divisors (1).

123903077 is an equidigital number, since it uses as much as digits as its factorization.

123903077 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 32.

The square root of 123903077 is about 11131.1759037399. The cubic root of 123903077 is about 498.5331368332.

The spelling of 123903077 in words is "one hundred twenty-three million, nine hundred three thousand, seventy-seven".