23038830 has 96 divisors (see below), whose sum is σ = 65520000. Its totient is φ = 5808672.

The previous prime is 23038817. The next prime is 23038837. The reversal of 23038830 is 3883032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23038794 and 23038803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23038837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45921 + ... + 46419.

It is an arithmetic number, because the mean of its divisors is an integer number (682500).

Almost surely, 2^23038830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23038830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32760000).

23038830 is an abundant number, since it is smaller than the sum of its proper divisors (42481170).

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

23038830 is a wasteful number, since it uses less digits than its factorization.

23038830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23038830 is about 4799.8781234527. The cubic root of 23038830 is about 284.5466476513.

It can be divided in two parts, 230 and 38830, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 23038830 in words is "twenty-three million, thirty-eight thousand, eight hundred thirty".