23421312402 has 16 divisors (see below), whose sum is σ = 47985128352. Its totient is φ = 7616686880.

The previous prime is 23421312389. The next prime is 23421312419. The reversal of 23421312402 is 20421312432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47604048 + ... + 47604539.

It is an arithmetic number, because the mean of its divisors is an integer number (2999070522).

Almost surely, 2^23421312402 is an apocalyptic number.

23421312402 is an abundant number, since it is smaller than the sum of its proper divisors (24563815950).

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

23421312402 is a wasteful number, since it uses less digits than its factorization.

23421312402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95208633.

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

Adding to 23421312402 its reverse (20421312432), we get a palindrome (43842624834).

The spelling of 23421312402 in words is "twenty-three billion, four hundred twenty-one million, three hundred twelve thousand, four hundred two".