42761223 has 8 divisors (see below), whose sum is σ = 63350000. Its totient is φ = 28507464.

The previous prime is 42761219. The next prime is 42761227. The reversal of 42761223 is 32216724.

42761223 is a `hidden beast` number, since 4 + 27 + 612 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (42761219) and next prime (42761227).

It is not a de Polignac number, because 42761223 - 2² = 42761219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1583749 = 42761223 / (4 + 2 + 7 + 6 + 1 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42761227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791848 + ... + 791901.

It is an arithmetic number, because the mean of its divisors is an integer number (7918750).

Almost surely, 2^42761223 is an apocalyptic number.

42761223 is a deficient number, since it is larger than the sum of its proper divisors (20588777).

42761223 is a wasteful number, since it uses less digits than its factorization.

42761223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583758 (or 1583752 counting only the distinct ones).

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

The square root of 42761223 is about 6539.2066032509. The cubic root of 42761223 is about 349.6901284581.

Adding to 42761223 its reverse (32216724), we get a palindrome (74977947).

The spelling of 42761223 in words is "forty-two million, seven hundred sixty-one thousand, two hundred twenty-three".