23012235400 has 192 divisors, whose sum is σ = 67704238080. Its totient is φ = 7065273600.

The previous prime is 23012235343. The next prime is 23012235431. The reversal of 23012235400 is 453221032.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 1020649 + ... + 1042951.

It is an arithmetic number, because the mean of its divisors is an integer number (352626240).

Almost surely, 2^23012235400 is an apocalyptic number.

23012235400 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 23012235400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33852119040).

23012235400 is an abundant number, since it is smaller than the sum of its proper divisors (44692002680).

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

23012235400 is a wasteful number, since it uses less digits than its factorization.

23012235400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22404 (or 22395 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 23012235400 its reverse (453221032), we get a palindrome (23465456432).

The spelling of 23012235400 in words is "twenty-three billion, twelve million, two hundred thirty-five thousand, four hundred".