423671544 has 48 divisors (see below), whose sum is σ = 1184464320. Its totient is φ = 136667520.

The previous prime is 423671543. The next prime is 423671581. The reversal of 423671544 is 445176324.

423671544 is a `hidden beast` number, since 42 + 3 + 6 + 71 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 423671499 and 423671508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423671543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92677 + ... + 97140.

It is an arithmetic number, because the mean of its divisors is an integer number (24676340).

Almost surely, 2^423671544 is an apocalyptic number.

It is an amenable number.

423671544 is an abundant number, since it is smaller than the sum of its proper divisors (760792776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423671544 is a wasteful number, since it uses less digits than its factorization.

423671544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189860 (or 189853 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 423671544 is about 20583.2831200467. The cubic root of 423671544 is about 751.0631110146.

The spelling of 423671544 in words is "four hundred twenty-three million, six hundred seventy-one thousand, five hundred forty-four".