42354723 has 4 divisors (see below), whose sum is σ = 56472968. Its totient is φ = 28236480.

The previous prime is 42354721. The next prime is 42354731. The reversal of 42354723 is 32745324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42354723 - 2¹ = 42354721 is a prime.

It is a super-3 number, since 3×42354723³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42354721) 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, 7059118 + ... + 7059123.

It is an arithmetic number, because the mean of its divisors is an integer number (14118242).

Almost surely, 2^42354723 is an apocalyptic number.

42354723 is a deficient number, since it is larger than the sum of its proper divisors (14118245).

42354723 is a wasteful number, since it uses less digits than its factorization.

42354723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14118244.

The product of its digits is 20160, while the sum is 30.

The square root of 42354723 is about 6508.0506297969. The cubic root of 42354723 is about 348.5785148881.

The spelling of 42354723 in words is "forty-two million, three hundred fifty-four thousand, seven hundred twenty-three".