23220404134 has 8 divisors (see below), whose sum is σ = 34953683400. Its totient is φ = 11569176336.

The previous prime is 23220404131. The next prime is 23220404173. The reversal of 23220404134 is 43140402232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23220404099 and 23220404108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220404131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20512159 + ... + 20513290.

It is an arithmetic number, because the mean of its divisors is an integer number (4369210425).

Almost surely, 2^23220404134 is an apocalyptic number.

23220404134 is a deficient number, since it is larger than the sum of its proper divisors (11733279266).

23220404134 is a wasteful number, since it uses less digits than its factorization.

23220404134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41025734.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23220404134 its reverse (43140402232), we get a palindrome (66360806366).

The spelling of 23220404134 in words is "twenty-three billion, two hundred twenty million, four hundred four thousand, one hundred thirty-four".