123000022 has 16 divisors (see below), whose sum is σ = 187210800. Its totient is φ = 60602400.

The previous prime is 123000019. The next prime is 123000023. The reversal of 123000022 is 220000321.

It is a junction number, because it is equal to n+sod(n) for n = 122999972 and 123000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44929 + ... + 47587.

It is an arithmetic number, because the mean of its divisors is an integer number (11700675).

Almost surely, 2^123000022 is an apocalyptic number.

123000022 is a deficient number, since it is larger than the sum of its proper divisors (64210778).

123000022 is a wasteful number, since it uses less digits than its factorization.

123000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 123000022 is about 11090.5374982460. The cubic root of 123000022 is about 497.3190129773.

Adding to 123000022 its reverse (220000321), we get a palindrome (343000343).

The spelling of 123000022 in words is "one hundred twenty-three million, twenty-two", and thus it is an aban number.