427023101 has 4 divisors (see below), whose sum is σ = 428599104. Its totient is φ = 425447100.

The previous prime is 427023089. The next prime is 427023137. The reversal of 427023101 is 101320724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427023101 - 2¹⁰ = 427022077 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 (427023161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787595 + ... + 788136.

It is an arithmetic number, because the mean of its divisors is an integer number (107149776).

Almost surely, 2^427023101 is an apocalyptic number.

It is an amenable number.

427023101 is a deficient number, since it is larger than the sum of its proper divisors (1576003).

427023101 is a wasteful number, since it uses less digits than its factorization.

427023101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576002.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 427023101 is about 20664.5372800844. The cubic root of 427023101 is about 753.0384007243.

Adding to 427023101 its reverse (101320724), we get a palindrome (528343825).

The spelling of 427023101 in words is "four hundred twenty-seven million, twenty-three thousand, one hundred one".