423742104 has 160 divisors (see below), whose sum is σ = 1263820800. Its totient is φ = 132269760.

The previous prime is 423742097. The next prime is 423742127. The reversal of 423742104 is 401247324.

423742104 is a `hidden beast` number, since 4 + 237 + 421 + 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 39 ways as a sum of consecutive naturals, for example, 1563489 + ... + 1563759.

It is an arithmetic number, because the mean of its divisors is an integer number (7898880).

Almost surely, 2^423742104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423742104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631910400).

423742104 is an abundant number, since it is smaller than the sum of its proper divisors (840078696).

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

423742104 is a wasteful number, since it uses less digits than its factorization.

423742104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 423742104 is about 20584.9970609665. The cubic root of 423742104 is about 751.1048037458.

Adding to 423742104 its reverse (401247324), we get a palindrome (824989428).

The spelling of 423742104 in words is "four hundred twenty-three million, seven hundred forty-two thousand, one hundred four".