20123111234014 has 16 divisors (see below), whose sum is σ = 30755357328528. Its totient is φ = 9871339883392.

The previous prime is 20123111233943. The next prime is 20123111234021. The reversal of 20123111234014 is 41043211132102.

It is a self number, because there is not a number n which added to its sum of digits gives 20123111234014.

It is a congruent 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, 792952 + ... + 6393355.

It is an arithmetic number, because the mean of its divisors is an integer number (1922209833033).

Almost surely, 2^{20123111234014} is an apocalyptic number.

20123111234014 is a deficient number, since it is larger than the sum of its proper divisors (10632246094514).

20123111234014 is a wasteful number, since it uses less digits than its factorization.

20123111234014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212779.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 20123111234014 its reverse (41043211132102), we get a palindrome (61166322366116).

The spelling of 20123111234014 in words is "twenty trillion, one hundred twenty-three billion, one hundred eleven million, two hundred thirty-four thousand, fourteen".