23143155044 has 12 divisors (see below), whose sum is σ = 41442394224. Its totient is φ = 11302470984.

The previous prime is 23143155023. The next prime is 23143155053. The reversal of 23143155044 is 44055134132.

It is a self number, because there is not a number n which added to its sum of digits gives 23143155044.

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, 67276442 + ... + 67276785.

It is an arithmetic number, because the mean of its divisors is an integer number (3453532852).

Almost surely, 2^23143155044 is an apocalyptic number.

It is an amenable number.

23143155044 is a deficient number, since it is larger than the sum of its proper divisors (18299239180).

23143155044 is a wasteful number, since it uses less digits than its factorization.

23143155044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134553274 (or 134553272 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 23143155044 its reverse (44055134132), we get a palindrome (67198289176).

The spelling of 23143155044 in words is "twenty-three billion, one hundred forty-three million, one hundred fifty-five thousand, forty-four".