23510940 has 48 divisors (see below), whose sum is σ = 66769920. Its totient is φ = 6180160.

The previous prime is 23510933. The next prime is 23510941. The reversal of 23510940 is 4901532.

It is a self number, because there is not a number n which added to its sum of digits gives 23510940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23510941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501 + ... + 7019.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^23510940 is an apocalyptic number.

23510940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23510940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33384960).

23510940 is an abundant number, since it is smaller than the sum of its proper divisors (43258980).

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

23510940 is a wasteful number, since it uses less digits than its factorization.

23510940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602 (or 5600 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 23510940 is about 4848.8081009667. The cubic root of 23510940 is about 286.4771567605.

It can be divided in two parts, 235 and 10940, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 23510940 in words is "twenty-three million, five hundred ten thousand, nine hundred forty".