123310069 has 2 divisors, whose sum is σ = 123310070. Its totient is φ = 123310068.

The previous prime is 123310049. The next prime is 123310079. The reversal of 123310069 is 960013321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 30669444 = 9625^2 + 5538^2 .

It is a cyclic number.

It is not a de Polignac number, because 123310069 - 2⁵ = 123310037 is a prime.

It is a super-2 number, since 2×123310069² = 30410746233569522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123310009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655034 + 61655035.

It is an arithmetic number, because the mean of its divisors is an integer number (61655035).

Almost surely, 2^123310069 is an apocalyptic number.

It is an amenable number.

123310069 is a deficient number, since it is larger than the sum of its proper divisors (1).

123310069 is an equidigital number, since it uses as much as digits as its factorization.

123310069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 123310069 is about 11104.5066977331. The cubic root of 123310069 is about 497.7365275132.

The spelling of 123310069 in words is "one hundred twenty-three million, three hundred ten thousand, sixty-nine".