23001620334 has 64 divisors (see below), whose sum is σ = 57539469312. Its totient is φ = 5955199200.

The previous prime is 23001620333. The next prime is 23001620357. The reversal of 23001620334 is 43302610032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001620333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63639 + ... + 223725.

It is an arithmetic number, because the mean of its divisors is an integer number (899054208).

Almost surely, 2^23001620334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23001620334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28769734656).

23001620334 is an abundant number, since it is smaller than the sum of its proper divisors (34537848978).

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

23001620334 is a wasteful number, since it uses less digits than its factorization.

23001620334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160421.

The product of its (nonzero) digits is 2592, while the sum is 24.

The spelling of 23001620334 in words is "twenty-three billion, one million, six hundred twenty thousand, three hundred thirty-four".