2123413020 has 144 divisors (see below), whose sum is σ = 6817268640. Its totient is φ = 533495808.

The previous prime is 2123412961. The next prime is 2123413043. The reversal of 2123413020 is 203143212.

2123413020 is a `hidden beast` number, since 21 + 2 + 341 + 302 + 0 = 666.

2123413020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2123412984 and 2123413002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 658452 + ... + 661668.

Almost surely, 2^2123413020 is an apocalyptic number.

2123413020 is a gapful number since it is divisible by the number (20) 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 2123413020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3408634320).

2123413020 is an abundant number, since it is smaller than the sum of its proper divisors (4693855620).

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

2123413020 is a wasteful number, since it uses less digits than its factorization.

2123413020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2123413020 is about 46080.5058565984. The cubic root of 2123413020 is about 1285.3206707260.

Adding to 2123413020 its reverse (203143212), we get a palindrome (2326556232).

The spelling of 2123413020 in words is "two billion, one hundred twenty-three million, four hundred thirteen thousand, twenty".