23144351053542 has 32 divisors (see below), whose sum is σ = 47641262517504. Its totient is φ = 7492600500000.

The previous prime is 23144351053531. The next prime is 23144351053561. The reversal of 23144351053542 is 24535015344132.

It is a junction number, because it is equal to n+sod(n) for n = 23144351053494 and 23144351053503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405415209 + ... + 405472292.

It is an arithmetic number, because the mean of its divisors is an integer number (1488789453672).

Almost surely, 2^{23144351053542} is an apocalyptic number.

23144351053542 is an abundant number, since it is smaller than the sum of its proper divisors (24496911463962).

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

23144351053542 is a wasteful number, since it uses less digits than its factorization.

23144351053542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810887644.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 23144351053542 its reverse (24535015344132), we get a palindrome (47679366397674).

The spelling of 23144351053542 in words is "twenty-three trillion, one hundred forty-four billion, three hundred fifty-one million, fifty-three thousand, five hundred forty-two".