23550740 has 24 divisors (see below), whose sum is σ = 49591752. Its totient is φ = 9394560.

The previous prime is 23550739. The next prime is 23550743. The reversal of 23550740 is 4705532.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 23367556 = 428^2 + 4834^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23550743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7022 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (2066323).

Almost surely, 2^23550740 is an apocalyptic number.

23550740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23550740 is an abundant number, since it is smaller than the sum of its proper divisors (26041012).

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

23550740 is a wasteful number, since it uses less digits than its factorization.

23550740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227 (or 3225 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 23550740 is about 4852.9104669260. The cubic root of 23550740 is about 286.6387179050.

The spelling of 23550740 in words is "twenty-three million, five hundred fifty thousand, seven hundred forty".