23381010 has 48 divisors (see below), whose sum is σ = 61663680. Its totient is φ = 6145440.

The previous prime is 23381009. The next prime is 23381023. The reversal of 23381010 is 1018332.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4561 + ... + 8219.

It is an arithmetic number, because the mean of its divisors is an integer number (1284660).

Almost surely, 2^23381010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23381010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30831840).

23381010 is an abundant number, since it is smaller than the sum of its proper divisors (38282670).

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

23381010 is a wasteful number, since it uses less digits than its factorization.

23381010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743 (or 3740 counting only the distinct ones).

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

The square root of 23381010 is about 4835.3914009106. The cubic root of 23381010 is about 285.9484559987.

Adding to 23381010 its reverse (1018332), we get a palindrome (24399342).

The spelling of 23381010 in words is "twenty-three million, three hundred eighty-one thousand, ten".