23381036 has 18 divisors (see below), whose sum is σ = 47597508. Its totient is φ = 10020360.

The previous prime is 23381023. The next prime is 23381063. The reversal of 23381036 is 63018332.

It is a junction number, because it is equal to n+sod(n) for n = 23380996 and 23381014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59450 + ... + 59841.

It is an arithmetic number, because the mean of its divisors is an integer number (2644306).

Almost surely, 2^23381036 is an apocalyptic number.

It is an amenable number.

23381036 is an abundant number, since it is smaller than the sum of its proper divisors (24216472).

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

23381036 is a wasteful number, since it uses less digits than its factorization.

23381036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119309 (or 119300 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23381036 is about 4835.3940894202. The cubic root of 23381036 is about 285.9485619915.

Adding to 23381036 its reverse (63018332), we get a palindrome (86399368).

The spelling of 23381036 in words is "twenty-three million, three hundred eighty-one thousand, thirty-six".