42797523 has 8 divisors (see below), whose sum is σ = 57915328. Its totient is φ = 28105704.

The previous prime is 42797509. The next prime is 42797609. The reversal of 42797523 is 32579724.

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

It is not a de Polignac number, because 42797523 - 2⁶ = 42797459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42797423) 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, 106261 + ... + 106662.

It is an arithmetic number, because the mean of its divisors is an integer number (7239416).

Almost surely, 2^42797523 is an apocalyptic number.

42797523 is a deficient number, since it is larger than the sum of its proper divisors (15117805).

42797523 is a wasteful number, since it uses less digits than its factorization.

42797523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212993.

The product of its digits is 105840, while the sum is 39.

The square root of 42797523 is about 6541.9815805305. The cubic root of 42797523 is about 349.7890511156.

The spelling of 42797523 in words is "forty-two million, seven hundred ninety-seven thousand, five hundred twenty-three".