23101040 has 40 divisors (see below), whose sum is σ = 55027728. Its totient is φ = 9013760.

The previous prime is 23101021. The next prime is 23101049. The reversal of 23101040 is 4010132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242 + ... + 6801.

Almost surely, 2^23101040 is an apocalyptic number.

23101040 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 23101040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27513864).

23101040 is an abundant number, since it is smaller than the sum of its proper divisors (31926688).

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

23101040 is a wasteful number, since it uses less digits than its factorization.

23101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097 (or 7091 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 23101040 is about 4806.3541276107. The cubic root of 23101040 is about 284.8025306975.

Adding to 23101040 its reverse (4010132), we get a palindrome (27111172).

The spelling of 23101040 in words is "twenty-three million, one hundred one thousand, forty".