23934789450 has 288 divisors, whose sum is σ = 75809522880. Its totient is φ = 5337446400.

The previous prime is 23934789449. The next prime is 23934789451. The reversal of 23934789450 is 5498743932.

23934789450 is a `hidden beast` number, since 2 + 39 + 3 + 478 + 94 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (23934789449) and next prime (23934789451).

It is not an unprimeable number, because it can be changed into a prime (23934789451) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 27863121 + ... + 27863979.

It is an arithmetic number, because the mean of its divisors is an integer number (263227510).

Almost surely, 2^23934789450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23934789450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37904761440).

23934789450 is an abundant number, since it is smaller than the sum of its proper divisors (51874733430).

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

23934789450 is a wasteful number, since it uses less digits than its factorization.

23934789450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 23934789450 in words is "twenty-three billion, nine hundred thirty-four million, seven hundred eighty-nine thousand, four hundred fifty".