23419319550 has 96 divisors (see below), whose sum is σ = 63516648960. Its totient is φ = 5663366400.

The previous prime is 23419319519. The next prime is 23419319617. The reversal of 23419319550 is 5591391432.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 657499 + ... + 692201.

It is an arithmetic number, because the mean of its divisors is an integer number (661631760).

Almost surely, 2^23419319550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23419319550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31758324480).

23419319550 is an abundant number, since it is smaller than the sum of its proper divisors (40097329410).

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

23419319550 is a wasteful number, since it uses less digits than its factorization.

23419319550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35138 (or 35133 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 23419319550 in words is "twenty-three billion, four hundred nineteen million, three hundred nineteen thousand, five hundred fifty".