23011093938 has 96 divisors (see below), whose sum is σ = 54041242176. Its totient is φ = 6512873472.

The previous prime is 23011093901. The next prime is 23011093939. The reversal of 23011093938 is 83939011032.

It is a junction number, because it is equal to n+sod(n) for n = 23011093896 and 23011093905.

It is not an unprimeable number, because it can be changed into a prime (23011093939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16057270 + ... + 16058702.

It is an arithmetic number, because the mean of its divisors is an integer number (562929606).

Almost surely, 2^23011093938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23011093938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27020621088).

23011093938 is an abundant number, since it is smaller than the sum of its proper divisors (31030148238).

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

23011093938 is a wasteful number, since it uses less digits than its factorization.

23011093938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 23011093938 in words is "twenty-three billion, eleven million, ninety-three thousand, nine hundred thirty-eight".