423111054555 has 48 divisors (see below), whose sum is σ = 839842848000. Its totient is φ = 193034505024.

The previous prime is 423111054533. The next prime is 423111054557. The reversal of 423111054555 is 555450111324.

423111054555 is a `hidden beast` number, since 42 + 3 + 1 + 1 + 10 + 54 + 555 = 666.

It is not a de Polignac number, because 423111054555 - 2¹⁰ = 423111053531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423111054557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1188717 + ... + 1503086.

It is an arithmetic number, because the mean of its divisors is an integer number (17496726000).

Almost surely, 2^423111054555 is an apocalyptic number.

423111054555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423111054555 is a deficient number, since it is larger than the sum of its proper divisors (416731793445).

423111054555 is a wasteful number, since it uses less digits than its factorization.

423111054555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692320 (or 2692317 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 423111054555 its reverse (555450111324), we get a palindrome (978561165879).

The spelling of 423111054555 in words is "four hundred twenty-three billion, one hundred eleven million, fifty-four thousand, five hundred fifty-five".