23220440334 has 96 divisors (see below), whose sum is σ = 63238855680. Its totient is φ = 5993752896.

The previous prime is 23220440317. The next prime is 23220440371. The reversal of 23220440334 is 43304402232.

23220440334 is a `hidden beast` number, since 2 + 3 + 220 + 4 + 403 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 23220440298 and 23220440307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73824 + ... + 227795.

It is an arithmetic number, because the mean of its divisors is an integer number (658738080).

Almost surely, 2^23220440334 is an apocalyptic number.

23220440334 is an abundant number, since it is smaller than the sum of its proper divisors (40018415346).

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

23220440334 is a wasteful number, since it uses less digits than its factorization.

23220440334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301694 (or 301691 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 23220440334 its reverse (43304402232), we get a palindrome (66524842566).

The spelling of 23220440334 in words is "twenty-three billion, two hundred twenty million, four hundred forty thousand, three hundred thirty-four".