20123233012 has 6 divisors (see below), whose sum is σ = 35215657778. Its totient is φ = 10061616504.

The previous prime is 20123233003. The next prime is 20123233021. The reversal of 20123233012 is 21033232102.

It is an interprime number because it is at equal distance from previous prime (20123233003) and next prime (20123233021).

It can be written as a sum of positive squares in only one way, i.e., 12275753616 + 7847479396 = 110796^2 + 88586^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515404123 + ... + 2515404130.

Almost surely, 2^20123233012 is an apocalyptic number.

It is an amenable number.

20123233012 is a deficient number, since it is larger than the sum of its proper divisors (15092424766).

20123233012 is a wasteful number, since it uses less digits than its factorization.

20123233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030808257 (or 5030808255 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20123233012 its reverse (21033232102), we get a palindrome (41156465114).

The spelling of 20123233012 in words is "twenty billion, one hundred twenty-three million, two hundred thirty-three thousand, twelve".