23112302154512 has 10 divisors (see below), whose sum is σ = 44780085424398. Its totient is φ = 11556151077248.

The previous prime is 23112302154499. The next prime is 23112302154521. The reversal of 23112302154512 is 21545120321132.

It can be written as a sum of positive squares in only one way, i.e., 20860813908496 + 2251488246016 = 4567364^2 + 1500496^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722259442313 + ... + 722259442344.

Almost surely, 2^{23112302154512} is an apocalyptic number.

It is an amenable number.

23112302154512 is a deficient number, since it is larger than the sum of its proper divisors (21667783269886).

23112302154512 is a wasteful number, since it uses less digits than its factorization.

23112302154512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444518884665 (or 1444518884659 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 23112302154512 its reverse (21545120321132), we get a palindrome (44657422475644).

The spelling of 23112302154512 in words is "twenty-three trillion, one hundred twelve billion, three hundred two million, one hundred fifty-four thousand, five hundred twelve".