123024040120 has 64 divisors (see below), whose sum is σ = 301420116000. Its totient is φ = 45012054528.

The previous prime is 123024040099. The next prime is 123024040129. The reversal of 123024040120 is 21040420321.

It is a super-2 number, since 2×123024040120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123024040129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2768887 + ... + 2812966.

Almost surely, 2^123024040120 is an apocalyptic number.

123024040120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123024040120 is an abundant number, since it is smaller than the sum of its proper divisors (178396075880).

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

123024040120 is a wasteful number, since it uses less digits than its factorization.

123024040120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581912 (or 5581908 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 123024040120 its reverse (21040420321), we get a palindrome (144064460441).

The spelling of 123024040120 in words is "one hundred twenty-three billion, twenty-four million, forty thousand, one hundred twenty".