423515550044 has 6 divisors (see below), whose sum is σ = 741152212584. Its totient is φ = 211757775020.

The previous prime is 423515549993. The next prime is 423515550173. The reversal of 423515550044 is 440055515324.

It is a super-2 number, since 2×423515550044² (a number of 24 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 as a sum of consecutive naturals, namely, 52939443752 + ... + 52939443759.

It is an arithmetic number, because the mean of its divisors is an integer number (123525368764).

Almost surely, 2^423515550044 is an apocalyptic number.

It is an amenable number.

423515550044 is a deficient number, since it is larger than the sum of its proper divisors (317636662540).

423515550044 is a wasteful number, since it uses less digits than its factorization.

423515550044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105878887515 (or 105878887513 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 423515550044 in words is "four hundred twenty-three billion, five hundred fifteen million, five hundred fifty thousand, forty-four".