23420014134 has 64 divisors (see below), whose sum is σ = 52322070528. Its totient is φ = 6928941600.

The previous prime is 23420014133. The next prime is 23420014141. The reversal of 23420014134 is 43141002432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420014133) 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, 458397 + ... + 506919.

It is an arithmetic number, because the mean of its divisors is an integer number (817532352).

Almost surely, 2^23420014134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23420014134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26161035264).

23420014134 is an abundant number, since it is smaller than the sum of its proper divisors (28902056394).

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

23420014134 is a wasteful number, since it uses less digits than its factorization.

23420014134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48713.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23420014134 its reverse (43141002432), we get a palindrome (66561016566).

The spelling of 23420014134 in words is "twenty-three billion, four hundred twenty million, fourteen thousand, one hundred thirty-four".