23113405445405 has 64 divisors (see below), whose sum is σ = 30858432675840. Its totient is φ = 16479933388800.

The previous prime is 23113405445387. The next prime is 23113405445437. The reversal of 23113405445405 is 50454450431132.

It is not a de Polignac number, because 23113405445405 - 2¹² = 23113405441309 is a prime.

It is a super-2 number, since 2×23113405445405² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 243489962 + ... + 243584868.

It is an arithmetic number, because the mean of its divisors is an integer number (482163010560).

Almost surely, 2^{23113405445405} is an apocalyptic number.

It is an amenable number.

23113405445405 is a deficient number, since it is larger than the sum of its proper divisors (7745027230435).

23113405445405 is a wasteful number, since it uses less digits than its factorization.

23113405445405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95450.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 23113405445405 its reverse (50454450431132), we get a palindrome (73567855876537).

The spelling of 23113405445405 in words is "twenty-three trillion, one hundred thirteen billion, four hundred five million, four hundred forty-five thousand, four hundred five".