23141231550 has 96 divisors (see below), whose sum is σ = 63800559360. Its totient is φ = 6167743200.

The previous prime is 23141231543. The next prime is 23141231557. The reversal of 23141231550 is 5513214132.

23141231550 is a `hidden beast` number, since 231 + 412 + 3 + 15 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (23141231543) and next prime (23141231557).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23141231557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3656689 + ... + 3663011.

It is an arithmetic number, because the mean of its divisors is an integer number (664589160).

Almost surely, 2^23141231550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23141231550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31900279680).

23141231550 is an abundant number, since it is smaller than the sum of its proper divisors (40659327810).

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

23141231550 is a wasteful number, since it uses less digits than its factorization.

23141231550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9055 (or 9044 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 23141231550 its reverse (5513214132), we get a palindrome (28654445682).

The spelling of 23141231550 in words is "twenty-three billion, one hundred forty-one million, two hundred thirty-one thousand, five hundred fifty".