423389451408 has 80 divisors (see below), whose sum is σ = 1363643959296. Its totient is φ = 109971285120.

The previous prime is 423389451379. The next prime is 423389451421. The reversal of 423389451408 is 804154983324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57273016 + ... + 57280407.

Almost surely, 2^423389451408 is an apocalyptic number.

423389451408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

423389451408 is an abundant number, since it is smaller than the sum of its proper divisors (940254507888).

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

423389451408 is a wasteful number, since it uses less digits than its factorization.

423389451408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114553452 (or 114553446 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 423389451408 in words is "four hundred twenty-three billion, three hundred eighty-nine million, four hundred fifty-one thousand, four hundred eight".