123073061 has 4 divisors (see below), whose sum is σ = 123760800. Its totient is φ = 122385324.

The previous prime is 123073019. The next prime is 123073079. The reversal of 123073061 is 160370321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123073061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123073001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343601 + ... + 343958.

It is an arithmetic number, because the mean of its divisors is an integer number (30940200).

Almost surely, 2^123073061 is an apocalyptic number.

It is an amenable number.

123073061 is a deficient number, since it is larger than the sum of its proper divisors (687739).

123073061 is an equidigital number, since it uses as much as digits as its factorization.

123073061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687738.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 123073061 is about 11093.8298616844. The cubic root of 123073061 is about 497.4174316479.

The spelling of 123073061 in words is "one hundred twenty-three million, seventy-three thousand, sixty-one".