2423205720 has 384 divisors, whose sum is σ = 8923299840. Its totient is φ = 587865600.

The previous prime is 2423205713. The next prime is 2423205749. The reversal of 2423205720 is 275023242.

2423205720 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2423205720² = 11743851922881436800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16047645 + ... + 16047795.

It is an arithmetic number, because the mean of its divisors is an integer number (23237760).

Almost surely, 2^2423205720 is an apocalyptic number.

2423205720 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 2423205720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4461649920).

2423205720 is an abundant number, since it is smaller than the sum of its proper divisors (6500094120).

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

2423205720 is a wasteful number, since it uses less digits than its factorization.

2423205720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 2423205720 is about 49226.0674846163. The cubic root of 2423205720 is about 1343.1672535859.

Adding to 2423205720 its reverse (275023242), we get a palindrome (2698228962).

The spelling of 2423205720 in words is "two billion, four hundred twenty-three million, two hundred five thousand, seven hundred twenty".