123470724220 has 48 divisors (see below), whose sum is σ = 268266479040. Its totient is φ = 47678672384.

The previous prime is 123470724217. The next prime is 123470724283. The reversal of 123470724220 is 22427074321.

It is a super-2 number, since 2×123470724220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7605552 + ... + 7621768.

It is an arithmetic number, because the mean of its divisors is an integer number (5588884980).

Almost surely, 2^123470724220 is an apocalyptic number.

123470724220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123470724220 is an abundant number, since it is smaller than the sum of its proper divisors (144795754820).

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

123470724220 is a wasteful number, since it uses less digits than its factorization.

123470724220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29382 (or 29380 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

Adding to 123470724220 its reverse (22427074321), we get a palindrome (145897798541).

The spelling of 123470724220 in words is "one hundred twenty-three billion, four hundred seventy million, seven hundred twenty-four thousand, two hundred twenty".