123873011 has 2 divisors, whose sum is σ = 123873012. Its totient is φ = 123873010.

The previous prime is 123872911. The next prime is 123873019. The reversal of 123873011 is 110378321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123873011 - 2¹⁰ = 123871987 is a prime.

It is a super-2 number, since 2×123873011² = 30689045708412242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123873019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61936505 + 61936506.

It is an arithmetic number, because the mean of its divisors is an integer number (61936506).

Almost surely, 2^123873011 is an apocalyptic number.

123873011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123873011 is an equidigital number, since it uses as much as digits as its factorization.

123873011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 123873011 is about 11129.8252906324. The cubic root of 123873011 is about 498.4928093175.

The spelling of 123873011 in words is "one hundred twenty-three million, eight hundred seventy-three thousand, eleven".