43123413204 has 24 divisors (see below), whose sum is σ = 111801441920. Its totient is φ = 14374471032.

The previous prime is 43123413173. The next prime is 43123413233. The reversal of 43123413204 is 40231432134.

43123413204 is a `hidden beast` number, since 4 + 312 + 341 + 3 + 2 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199645324 + ... + 199645539.

Almost surely, 2^43123413204 is an apocalyptic number.

It is an amenable number.

43123413204 is an abundant number, since it is smaller than the sum of its proper divisors (68678028716).

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

43123413204 is a wasteful number, since it uses less digits than its factorization.

43123413204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399290876 (or 399290868 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43123413204 its reverse (40231432134), we get a palindrome (83354845338).

The spelling of 43123413204 in words is "forty-three billion, one hundred twenty-three million, four hundred thirteen thousand, two hundred four".