23123212231232 has 28 divisors (see below), whose sum is σ = 45890932783356. Its totient is φ = 11560142553600.

The previous prime is 23123212231123. The next prime is 23123212231291. The reversal of 23123212231232 is 23213221232132.

It can be written as a sum of positive squares in 2 ways, for example, as 6097817829376 + 17025394401856 = 2469376^2 + 4126184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23123212231195 and 23123212231204.

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, 22358543 + ... + 23369870.

Almost surely, 2^{23123212231232} is an apocalyptic number.

It is an amenable number.

23123212231232 is a deficient number, since it is larger than the sum of its proper divisors (22767720552124).

23123212231232 is an equidigital number, since it uses as much as digits as its factorization.

23123212231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45736326 (or 45736316 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 23123212231232 its reverse (23213221232132), we get a palindrome (46336433463364).

The spelling of 23123212231232 in words is "twenty-three trillion, one hundred twenty-three billion, two hundred twelve million, two hundred thirty-one thousand, two hundred thirty-two".