123497711 has 2 divisors, whose sum is σ = 123497712. Its totient is φ = 123497710.

The previous prime is 123497659. The next prime is 123497723. The reversal of 123497711 is 117794321.

It is a strong prime.

It is an emirp because it is prime and its reverse (117794321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123497711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123497771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61748855 + 61748856.

It is an arithmetic number, because the mean of its divisors is an integer number (61748856).

Almost surely, 2^123497711 is an apocalyptic number.

123497711 is a deficient number, since it is larger than the sum of its proper divisors (1).

123497711 is an equidigital number, since it uses as much as digits as its factorization.

123497711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 123497711 is about 11112.9523979904. The cubic root of 123497711 is about 497.9888695544.

The spelling of 123497711 in words is "one hundred twenty-three million, four hundred ninety-seven thousand, seven hundred eleven".