23145155250344 has 32 divisors (see below), whose sum is σ = 44895974128200. Its totient is φ = 11172937332480.

The previous prime is 23145155250341. The next prime is 23145155250401. The reversal of 23145155250344 is 44305255154132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22546713762244 + 598441488100 = 4748338^2 + 773590^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23145155250295 and 23145155250304.

It is not an unprimeable number, because it can be changed into a prime (23145155250341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834694 + ... + 7046730.

Almost surely, 2^{23145155250344} is an apocalyptic number.

It is an amenable number.

23145155250344 is a deficient number, since it is larger than the sum of its proper divisors (21750818877856).

23145155250344 is a wasteful number, since it uses less digits than its factorization.

23145155250344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231213 (or 5231209 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 23145155250344 in words is "twenty-three trillion, one hundred forty-five billion, one hundred fifty-five million, two hundred fifty thousand, three hundred forty-four".