23020243400 has 192 divisors, whose sum is σ = 67646206080. Its totient is φ = 7076505600.

The previous prime is 23020243399. The next prime is 23020243429. The reversal of 23020243400 is 434202032.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1113962 + ... + 1134438.

It is an arithmetic number, because the mean of its divisors is an integer number (352323990).

Almost surely, 2^23020243400 is an apocalyptic number.

23020243400 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 23020243400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33823103040).

23020243400 is an abundant number, since it is smaller than the sum of its proper divisors (44625962680).

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

23020243400 is a wasteful number, since it uses less digits than its factorization.

23020243400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20584 (or 20575 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23020243400 its reverse (434202032), we get a palindrome (23454445432).

The spelling of 23020243400 in words is "twenty-three billion, twenty million, two hundred forty-three thousand, four hundred".