23303400405255 has 48 divisors (see below), whose sum is σ = 40575359784960. Its totient is φ = 12372247468224.

The previous prime is 23303400405221. The next prime is 23303400405283. The reversal of 23303400405255 is 55250400430332.

23303400405255 is a `hidden beast` number, since 2 + 330 + 34 + 0 + 0 + 40 + 5 + 255 = 666.

It is not a de Polignac number, because 23303400405255 - 2¹⁵ = 23303400372487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87951666 + ... + 88216224.

It is an arithmetic number, because the mean of its divisors is an integer number (845319995520).

Almost surely, 2^{23303400405255} is an apocalyptic number.

23303400405255 is a deficient number, since it is larger than the sum of its proper divisors (17271959379705).

23303400405255 is a wasteful number, since it uses less digits than its factorization.

23303400405255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273420 (or 273417 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 23303400405255 its reverse (55250400430332), we get a palindrome (78553800835587).

The spelling of 23303400405255 in words is "twenty-three trillion, three hundred three billion, four hundred million, four hundred five thousand, two hundred fifty-five".