23133212130 has 192 divisors, whose sum is σ = 67666752000. Its totient is φ = 5039903232.

The previous prime is 23133212129. The next prime is 23133212143. The reversal of 23133212130 is 3121233132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23133212097 and 23133212106.

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, 3364336 + ... + 3371204.

It is an arithmetic number, because the mean of its divisors is an integer number (352431000).

Almost surely, 2^23133212130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23133212130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33833376000).

23133212130 is an abundant number, since it is smaller than the sum of its proper divisors (44533539870).

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

23133212130 is a wasteful number, since it uses less digits than its factorization.

23133212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001 (or 6994 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23133212130 its reverse (3121233132), we get a palindrome (26254445262).

The spelling of 23133212130 in words is "twenty-three billion, one hundred thirty-three million, two hundred twelve thousand, one hundred thirty".