23421212402 has 32 divisors (see below), whose sum is σ = 40291257600. Its totient is φ = 10002567168.

The previous prime is 23421212393. The next prime is 23421212449. The reversal of 23421212402 is 20421212432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8066483 + ... + 8069385.

It is an arithmetic number, because the mean of its divisors is an integer number (1259101800).

Almost surely, 2^23421212402 is an apocalyptic number.

23421212402 is a deficient number, since it is larger than the sum of its proper divisors (16870045198).

23421212402 is a wasteful number, since it uses less digits than its factorization.

23421212402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 23421212402 its reverse (20421212432), we get a palindrome (43842424834).

The spelling of 23421212402 in words is "twenty-three billion, four hundred twenty-one million, two hundred twelve thousand, four hundred two".