42123632 has 10 divisors (see below), whose sum is σ = 81614568. Its totient is φ = 21061808.

The previous prime is 42123629. The next prime is 42123659. The reversal of 42123632 is 23632124.

It is a junction number, because it is equal to n+sod(n) for n = 42123598 and 42123607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1316348 + ... + 1316379.

Almost surely, 2^42123632 is an apocalyptic number.

It is an amenable number.

42123632 is a deficient number, since it is larger than the sum of its proper divisors (39490936).

42123632 is a wasteful number, since it uses less digits than its factorization.

42123632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632735 (or 2632729 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 42123632 is about 6490.2721052357. The cubic root of 42123632 is about 347.9434003163.

Adding to 42123632 its reverse (23632124), we get a palindrome (65755756).

The spelling of 42123632 in words is "forty-two million, one hundred twenty-three thousand, six hundred thirty-two".