23401669850 has 24 divisors (see below), whose sum is σ = 46875346140. Its totient is φ = 8640616320.

The previous prime is 23401669849. The next prime is 23401669853. The reversal of 23401669850 is 5896610432.

It can be written as a sum of positive squares in 6 ways, for example, as 8507664169 + 14894005681 = 92237^2 + 122041^2 .

It is not an unprimeable number, because it can be changed into a prime (23401669853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18000635 + ... + 18001934.

Almost surely, 2^23401669850 is an apocalyptic number.

23401669850 is an abundant number, since it is smaller than the sum of its proper divisors (23473676290).

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

23401669850 is a wasteful number, since it uses less digits than its factorization.

23401669850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36002594 (or 36002589 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 23401669850 in words is "twenty-three billion, four hundred one million, six hundred sixty-nine thousand, eight hundred fifty".