23406250140 has 144 divisors (see below), whose sum is σ = 87383395008. Its totient is φ = 4938458112.

The previous prime is 23406250073. The next prime is 23406250177. The reversal of 23406250140 is 4105260432.

23406250140 is a `hidden beast` number, since 2 + 3 + 406 + 250 + 1 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 698097 + ... + 730856.

It is an arithmetic number, because the mean of its divisors is an integer number (606829132).

Almost surely, 2^23406250140 is an apocalyptic number.

23406250140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23406250140 is an abundant number, since it is smaller than the sum of its proper divisors (63977144868).

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

23406250140 is a wasteful number, since it uses less digits than its factorization.

23406250140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428988 (or 1428983 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 23406250140 in words is "twenty-three billion, four hundred six million, two hundred fifty thousand, one hundred forty".