23106431250 has 384 divisors, whose sum is σ = 75835146240. Its totient is φ = 5103000000.

The previous prime is 23106431191. The next prime is 23106431251. The reversal of 23106431250 is 5213460132.

23106431250 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 643 + 12 + 5 + 0 = 666.

It is a super-2 number, since 2×23106431250² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (23106431251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 36618435 + ... + 36619065.

It is an arithmetic number, because the mean of its divisors is an integer number (197487360).

Almost surely, 2^23106431250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23106431250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37917573120).

23106431250 is an abundant number, since it is smaller than the sum of its proper divisors (52728714990).

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

23106431250 is an equidigital number, since it uses as much as digits as its factorization.

23106431250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 23106431250 its reverse (5213460132), we get a palindrome (28319891382).

The spelling of 23106431250 in words is "twenty-three billion, one hundred six million, four hundred thirty-one thousand, two hundred fifty".