42303723 has 32 divisors (see below), whose sum is σ = 70656000. Its totient is φ = 21872160.

The previous prime is 42303673. The next prime is 42303727. The reversal of 42303723 is 32730324.

It is a happy number.

It is not a de Polignac number, because 42303723 - 2¹² = 42299627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42303693 and 42303702.

It is not an unprimeable number, because it can be changed into a prime (42303727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84528 + ... + 85026.

It is an arithmetic number, because the mean of its divisors is an integer number (2208000).

Almost surely, 2^42303723 is an apocalyptic number.

42303723 is a deficient number, since it is larger than the sum of its proper divisors (28352277).

42303723 is a wasteful number, since it uses less digits than its factorization.

42303723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 42303723 is about 6504.1312256135. The cubic root of 42303723 is about 348.4385490380.

The spelling of 42303723 in words is "forty-two million, three hundred three thousand, seven hundred twenty-three".