20123044313232 has 40 divisors (see below), whose sum is σ = 59410892735296. Its totient is φ = 5749441232256.

The previous prime is 20123044313161. The next prime is 20123044313263. The reversal of 20123044313232 is 23231344032102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20123044313232.

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, 29945006083 + ... + 29945006754.

Almost surely, 2^{20123044313232} is an apocalyptic number.

It is an amenable number.

20123044313232 is an abundant number, since it is smaller than the sum of its proper divisors (39287848422064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20123044313232 is a wasteful number, since it uses less digits than its factorization.

20123044313232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59890012855 (or 59890012849 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20123044313232 its reverse (23231344032102), we get a palindrome (43354388345334).

The spelling of 20123044313232 in words is "twenty trillion, one hundred twenty-three billion, forty-four million, three hundred thirteen thousand, two hundred thirty-two".