23013122112 has 224 divisors, whose sum is σ = 69523660800. Its totient is φ = 7461167616.

The previous prime is 23013122089. The next prime is 23013122131. The reversal of 23013122112 is 21122131032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14536873 + ... + 14538455.

Almost surely, 2^23013122112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23013122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34761830400).

23013122112 is an abundant number, since it is smaller than the sum of its proper divisors (46510538688).

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

23013122112 is a wasteful number, since it uses less digits than its factorization.

23013122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23013122112 its reverse (21122131032), we get a palindrome (44135253144).

The spelling of 23013122112 in words is "twenty-three billion, thirteen million, one hundred twenty-two thousand, one hundred twelve".