123000755587 has 2 divisors, whose sum is σ = 123000755588. Its totient is φ = 123000755586.

The previous prime is 123000755557. The next prime is 123000755599. The reversal of 123000755587 is 785557000321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123000755587 is a prime.

It is not a weakly prime, because it can be changed into another prime (123000755557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500377793 + 61500377794.

It is an arithmetic number, because the mean of its divisors is an integer number (61500377794).

Almost surely, 2^123000755587 is an apocalyptic number.

123000755587 is a deficient number, since it is larger than the sum of its proper divisors (1).

123000755587 is an equidigital number, since it uses as much as digits as its factorization.

123000755587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 123000755587 in words is "one hundred twenty-three billion, seven hundred fifty-five thousand, five hundred eighty-seven".