124823670340 has 72 divisors (see below), whose sum is σ = 280155335040. Its totient is φ = 46702633536.

The previous prime is 124823670337. The next prime is 124823670343. The reversal of 124823670340 is 43076328421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124823670337) and next prime (124823670343).

It is a junction number, because it is equal to n+sod(n) for n = 124823670293 and 124823670302.

It is not an unprimeable number, because it can be changed into a prime (124823670343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460959 + ... + 679801.

It is an arithmetic number, because the mean of its divisors is an integer number (3891046320).

Almost surely, 2^124823670340 is an apocalyptic number.

124823670340 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 124823670340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140077667520).

124823670340 is an abundant number, since it is smaller than the sum of its proper divisors (155331664700).

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

124823670340 is a wasteful number, since it uses less digits than its factorization.

124823670340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218969 (or 218948 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 124823670340 its reverse (43076328421), we get a palindrome (167899998761).

The spelling of 124823670340 in words is "one hundred twenty-four billion, eight hundred twenty-three million, six hundred seventy thousand, three hundred forty".