427201623 has 6 divisors (see below), whose sum is σ = 617069024. Its totient is φ = 284801076.

The previous prime is 427201601. The next prime is 427201631. The reversal of 427201623 is 326102724.

It is not a de Polignac number, because 427201623 - 2⁶ = 427201559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427201633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23733415 + ... + 23733432.

Almost surely, 2^427201623 is an apocalyptic number.

427201623 is a deficient number, since it is larger than the sum of its proper divisors (189867401).

427201623 is a wasteful number, since it uses less digits than its factorization.

427201623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47466853 (or 47466850 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 427201623 is about 20668.8563544285. The cubic root of 427201623 is about 753.1433249399.

The spelling of 427201623 in words is "four hundred twenty-seven million, two hundred one thousand, six hundred twenty-three".