23020243033440 has 48 divisors (see below), whose sum is σ = 72513765556848. Its totient is φ = 6138731475456.

The previous prime is 23020243033429. The next prime is 23020243033441. The reversal of 23020243033440 is 4433034202032.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23020243033398 and 23020243033407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020243033441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23979419347 + ... + 23979420306.

It is an arithmetic number, because the mean of its divisors is an integer number (1510703449101).

Almost surely, 2^{23020243033440} is an apocalyptic number.

23020243033440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23020243033440 is an abundant number, since it is smaller than the sum of its proper divisors (49493522523408).

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

23020243033440 is a wasteful number, since it uses less digits than its factorization.

23020243033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47958839671 (or 47958839663 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 23020243033440 its reverse (4433034202032), we get a palindrome (27453277235472).

The spelling of 23020243033440 in words is "twenty-three trillion, twenty billion, two hundred forty-three million, thirty-three thousand, four hundred forty".