123367081 has 2 divisors, whose sum is σ = 123367082. Its totient is φ = 123367080.

The previous prime is 123367067. The next prime is 123367099. The reversal of 123367081 is 180763321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81000000 + 42367081 = 9000^2 + 6509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123367081 is a prime.

It is a super-2 number, since 2×123367081² = 30438873348921122, which contains 22 as substring.

It is equal to p_7022389 and since 123367081 and 7022389 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (123367001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61683540 + 61683541.

It is an arithmetic number, because the mean of its divisors is an integer number (61683541).

Almost surely, 2^123367081 is an apocalyptic number.

It is an amenable number.

123367081 is a deficient number, since it is larger than the sum of its proper divisors (1).

123367081 is an equidigital number, since it uses as much as digits as its factorization.

123367081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 123367081 is about 11107.0734669399. The cubic root of 123367081 is about 497.8132246365.

The spelling of 123367081 in words is "one hundred twenty-three million, three hundred sixty-seven thousand, eighty-one".