42723419 has 8 divisors (see below), whose sum is σ = 46188240. Its totient is φ = 39380256.

The previous prime is 42723413. The next prime is 42723433. The reversal of 42723419 is 91432724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42723419 - 2⁴ = 42723403 is a prime.

It is a super-2 number, since 2×42723419² = 3650581062099122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42723413) 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, 29684 + ... + 31089.

It is an arithmetic number, because the mean of its divisors is an integer number (5773530).

Almost surely, 2^42723419 is an apocalyptic number.

42723419 is a deficient number, since it is larger than the sum of its proper divisors (3464821).

42723419 is a wasteful number, since it uses less digits than its factorization.

42723419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60829.

The product of its digits is 12096, while the sum is 32.

The square root of 42723419 is about 6536.3153993668. The cubic root of 42723419 is about 349.5870476580.

The spelling of 42723419 in words is "forty-two million, seven hundred twenty-three thousand, four hundred nineteen".