23364934866 has 160 divisors (see below), whose sum is σ = 67828844160. Its totient is φ = 5837785344.

The previous prime is 23364934783. The next prime is 23364934877. The reversal of 23364934866 is 66843946332.

23364934866 is a `hidden beast` number, since 23 + 36 + 493 + 48 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 238390 + ... + 321806.

It is an arithmetic number, because the mean of its divisors is an integer number (423930276).

Almost surely, 2^23364934866 is an apocalyptic number.

23364934866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23364934866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33914422080).

23364934866 is an abundant number, since it is smaller than the sum of its proper divisors (44463909294).

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

23364934866 is a wasteful number, since it uses less digits than its factorization.

23364934866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83470 (or 83461 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 54.

The spelling of 23364934866 in words is "twenty-three billion, three hundred sixty-four million, nine hundred thirty-four thousand, eight hundred sixty-six".