23404121234 has 32 divisors (see below), whose sum is σ = 38465691264. Its totient is φ = 10615213440.

The previous prime is 23404121233. The next prime is 23404121263. The reversal of 23404121234 is 43212140432.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23404121231) 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 15 ways as a sum of consecutive naturals, for example, 317462 + ... + 384174.

It is an arithmetic number, because the mean of its divisors is an integer number (1202052852).

Almost surely, 2^23404121234 is an apocalyptic number.

23404121234 is a deficient number, since it is larger than the sum of its proper divisors (15061570030).

23404121234 is a wasteful number, since it uses less digits than its factorization.

23404121234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66962.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23404121234 its reverse (43212140432), we get a palindrome (66616261666).

The spelling of 23404121234 in words is "twenty-three billion, four hundred four million, one hundred twenty-one thousand, two hundred thirty-four".