23123121202 has 8 divisors (see below), whose sum is σ = 34685554176. Its totient is φ = 11561269812.

The previous prime is 23123121181. The next prime is 23123121227. The reversal of 23123121202 is 20212132132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23123121202.

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 3 ways as a sum of consecutive naturals, for example, 26578 + ... + 216685.

It is an arithmetic number, because the mean of its divisors is an integer number (4335694272).

Almost surely, 2^23123121202 is an apocalyptic number.

23123121202 is a deficient number, since it is larger than the sum of its proper divisors (11562432974).

23123121202 is a wasteful number, since it uses less digits than its factorization.

23123121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290792.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23123121202 its reverse (20212132132), we get a palindrome (43335253334).

The spelling of 23123121202 in words is "twenty-three billion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred two".