23050140 has 48 divisors (see below), whose sum is σ = 67350528. Its totient is φ = 5879104.

The previous prime is 23050133. The next prime is 23050141. The reversal of 23050140 is 4105032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23050141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6972 + ... + 9731.

It is an arithmetic number, because the mean of its divisors is an integer number (1403136).

Almost surely, 2^23050140 is an apocalyptic number.

23050140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23050140 is an abundant number, since it is smaller than the sum of its proper divisors (44300388).

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

23050140 is a wasteful number, since it uses less digits than its factorization.

23050140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16738 (or 16736 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 23050140 is about 4801.0561338106. The cubic root of 23050140 is about 284.5932023318.

Adding to 23050140 its reverse (4105032), we get a palindrome (27155172).

The spelling of 23050140 in words is "twenty-three million, fifty thousand, one hundred forty".