240123020 has 24 divisors (see below), whose sum is σ = 504866544. Its totient is φ = 95933376.

The previous prime is 240123017. The next prime is 240123029. The reversal of 240123020 is 20321042.

It is a junction number, because it is equal to n+sod(n) for n = 240122986 and 240123004.

It is not an unprimeable number, because it can be changed into a prime (240123029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10862 + ... + 24458.

It is an arithmetic number, because the mean of its divisors is an integer number (21036106).

Almost surely, 2^240123020 is an apocalyptic number.

240123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240123020 is an abundant number, since it is smaller than the sum of its proper divisors (264743524).

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

240123020 is a wasteful number, since it uses less digits than its factorization.

240123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14489 (or 14487 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 240123020 is about 15495.9033295901. The cubic root of 240123020 is about 621.5526640934.

Adding to 240123020 its reverse (20321042), we get a palindrome (260444062).

The spelling of 240123020 in words is "two hundred forty million, one hundred twenty-three thousand, twenty".