23423441440355 has 32 divisors (see below), whose sum is σ = 30795469265088. Its totient is φ = 16962014361600.

The previous prime is 23423441440351. The next prime is 23423441440403. The reversal of 23423441440355 is 55304414432432.

It is not a de Polignac number, because 23423441440355 - 2² = 23423441440351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23423441440351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11732495 + ... + 13583015.

It is an arithmetic number, because the mean of its divisors is an integer number (962358414534).

Almost surely, 2^{23423441440355} is an apocalyptic number.

23423441440355 is a deficient number, since it is larger than the sum of its proper divisors (7372027824733).

23423441440355 is a wasteful number, since it uses less digits than its factorization.

23423441440355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851527.

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 23423441440355 its reverse (55304414432432), we get a palindrome (78727855872787).

The spelling of 23423441440355 in words is "twenty-three trillion, four hundred twenty-three billion, four hundred forty-one million, four hundred forty thousand, three hundred fifty-five".