124423104520 has 256 divisors, whose sum is σ = 343103040000. Its totient is φ = 40317742080.

The previous prime is 124423104473. The next prime is 124423104563. The reversal of 124423104520 is 25401324421.

It is a super-2 number, since 2×124423104520² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20068381 + ... + 20074579.

It is an arithmetic number, because the mean of its divisors is an integer number (1340246250).

Almost surely, 2^124423104520 is an apocalyptic number.

124423104520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124423104520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171551520000).

124423104520 is an abundant number, since it is smaller than the sum of its proper divisors (218679935480).

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

124423104520 is a wasteful number, since it uses less digits than its factorization.

124423104520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285 (or 6259 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 124423104520 its reverse (25401324421), we get a palindrome (149824428941).

The spelling of 124423104520 in words is "one hundred twenty-four billion, four hundred twenty-three million, one hundred four thousand, five hundred twenty".