123345697 has 2 divisors, whose sum is σ = 123345698. Its totient is φ = 123345696.

The previous prime is 123345653. The next prime is 123345731. The reversal of 123345697 is 796543321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 50140561 = 8556^2 + 7081^2 .

It is a cyclic number.

It is not a de Polignac number, because 123345697 - 2¹⁵ = 123312929 is a prime.

It is not a weakly prime, because it can be changed into another prime (123345647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61672848 + 61672849.

It is an arithmetic number, because the mean of its divisors is an integer number (61672849).

Almost surely, 2^123345697 is an apocalyptic number.

It is an amenable number.

123345697 is a deficient number, since it is larger than the sum of its proper divisors (1).

123345697 is an equidigital number, since it uses as much as digits as its factorization.

123345697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 123345697 is about 11106.1107954135. The cubic root of 123345697 is about 497.7844599314.

The spelling of 123345697 in words is "one hundred twenty-three million, three hundred forty-five thousand, six hundred ninety-seven".