23213123042 has 16 divisors (see below), whose sum is σ = 38808318240. Its totient is φ = 10348884288.

The previous prime is 23213123039. The next prime is 23213123047. The reversal of 23213123042 is 24032131232.

It is a junction number, because it is equal to n+sod(n) for n = 23213122999 and 23213123017.

It is not an unprimeable number, because it can be changed into a prime (23213123047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17966168 + ... + 17967459.

It is an arithmetic number, because the mean of its divisors is an integer number (2425519890).

Almost surely, 2^23213123042 is an apocalyptic number.

23213123042 is a deficient number, since it is larger than the sum of its proper divisors (15595195198).

23213123042 is a wasteful number, since it uses less digits than its factorization.

23213123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35933665.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23213123042 its reverse (24032131232), we get a palindrome (47245254274).

The spelling of 23213123042 in words is "twenty-three billion, two hundred thirteen million, one hundred twenty-three thousand, forty-two".