23012004134 has 48 divisors (see below), whose sum is σ = 43160991264. Its totient is φ = 8982639360.

The previous prime is 23012004133. The next prime is 23012004143. The reversal of 23012004134 is 43140021032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012004133) 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 23 ways as a sum of consecutive naturals, for example, 178412 + ... + 279024.

It is an arithmetic number, because the mean of its divisors is an integer number (899187318).

Almost surely, 2^23012004134 is an apocalyptic number.

23012004134 is a deficient number, since it is larger than the sum of its proper divisors (20148987130).

23012004134 is a wasteful number, since it uses less digits than its factorization.

23012004134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100701 (or 100670 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23012004134 its reverse (43140021032), we get a palindrome (66152025166).

The spelling of 23012004134 in words is "twenty-three billion, twelve million, four thousand, one hundred thirty-four".