23142203103212 has 12 divisors (see below), whose sum is σ = 40499876885160. Its totient is φ = 11570809707456.

The previous prime is 23142203103209. The next prime is 23142203103221. The reversal of 23142203103212 is 21230130224132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72782573 + ... + 73099844.

It is an arithmetic number, because the mean of its divisors is an integer number (3374989740430).

Almost surely, 2^{23142203103212} is an apocalyptic number.

It is an amenable number.

23142203103212 is a deficient number, since it is larger than the sum of its proper divisors (17357673781948).

23142203103212 is a wasteful number, since it uses less digits than its factorization.

23142203103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145922080 (or 145922078 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23142203103212 its reverse (21230130224132), we get a palindrome (44372333327344).

The spelling of 23142203103212 in words is "twenty-three trillion, one hundred forty-two billion, two hundred three million, one hundred three thousand, two hundred twelve".