427123481 has 4 divisors (see below), whose sum is σ = 428313600. Its totient is φ = 425933364.

The previous prime is 427123471. The next prime is 427123483. The reversal of 427123481 is 184321724.

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 427123481 - 2¹⁰ = 427122457 is a prime.

It is a super-2 number, since 2×427123481² = 364868936043114722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427123483) 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, 594521 + ... + 595238.

It is an arithmetic number, because the mean of its divisors is an integer number (107078400).

Almost surely, 2^427123481 is an apocalyptic number.

It is an amenable number.

427123481 is a deficient number, since it is larger than the sum of its proper divisors (1190119).

427123481 is a wasteful number, since it uses less digits than its factorization.

427123481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190118.

The product of its digits is 10752, while the sum is 32.

The square root of 427123481 is about 20666.9659360052. The cubic root of 427123481 is about 753.0974014921.

The spelling of 427123481 in words is "four hundred twenty-seven million, one hundred twenty-three thousand, four hundred eighty-one".