23401212234 has 64 divisors (see below), whose sum is σ = 50642178048. Its totient is φ = 7193289600.

The previous prime is 23401212227. The next prime is 23401212239. The reversal of 23401212234 is 43221210432.

It is a happy number.

It is a super-2 number, since 2×23401212234² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23401212239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292237 + ... + 363599.

It is an arithmetic number, because the mean of its divisors is an integer number (791284032).

Almost surely, 2^23401212234 is an apocalyptic number.

23401212234 is an abundant number, since it is smaller than the sum of its proper divisors (27240965814).

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

23401212234 is a wasteful number, since it uses less digits than its factorization.

23401212234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71483.

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

Adding to 23401212234 its reverse (43221210432), we get a palindrome (66622422666).

The spelling of 23401212234 in words is "twenty-three billion, four hundred one million, two hundred twelve thousand, two hundred thirty-four".