123023011 has 2 divisors, whose sum is σ = 123023012. Its totient is φ = 123023010.

The previous prime is 123023003. The next prime is 123023027. The reversal of 123023011 is 110320321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123023011 - 2³ = 123023003 is a prime.

It is a super-2 number, since 2×123023011² = 30269322471012242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123022982 and 123023000.

It is not a weakly prime, because it can be changed into another prime (123023051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61511505 + 61511506.

It is an arithmetic number, because the mean of its divisors is an integer number (61511506).

Almost surely, 2^123023011 is an apocalyptic number.

123023011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123023011 is an equidigital number, since it uses as much as digits as its factorization.

123023011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 123023011 is about 11091.5738738918. The cubic root of 123023011 is about 497.3499944205.

Adding to 123023011 its reverse (110320321), we get a palindrome (233343332).

The spelling of 123023011 in words is "one hundred twenty-three million, twenty-three thousand, eleven".