123023020 has 12 divisors (see below), whose sum is σ = 258348384. Its totient is φ = 49209200.

The previous prime is 123023011. The next prime is 123023027. The reversal of 123023020 is 20320321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123023027) 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, 3075556 + ... + 3075595.

It is an arithmetic number, because the mean of its divisors is an integer number (21529032).

Almost surely, 2^123023020 is an apocalyptic number.

123023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123023020 is an abundant number, since it is smaller than the sum of its proper divisors (135325364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123023020 is a wasteful number, since it uses less digits than its factorization.

123023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151160 (or 6151158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 123023020 is about 11091.5742796052. The cubic root of 123023020 is about 497.3500065487.

Adding to 123023020 its reverse (20320321), we get a palindrome (143343341).

The spelling of 123023020 in words is "one hundred twenty-three million, twenty-three thousand, twenty".