423369408 has 168 divisors, whose sum is σ = 1421855424. Its totient is φ = 109939200.

The previous prime is 423369391. The next prime is 423369409. The reversal of 423369408 is 804963324.

It is a tau number, because it is divible by the number of its divisors (168).

It is not an unprimeable number, because it can be changed into a prime (423369409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101443 + ... + 105533.

Almost surely, 2^423369408 is an apocalyptic number.

423369408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423369408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710927712).

423369408 is an abundant number, since it is smaller than the sum of its proper divisors (998486016).

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

423369408 is a wasteful number, since it uses less digits than its factorization.

423369408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 423369408 is about 20575.9424571513. The cubic root of 423369408 is about 750.8845315064.

The spelling of 423369408 in words is "four hundred twenty-three million, three hundred sixty-nine thousand, four hundred eight".