42650523 has 16 divisors (see below), whose sum is σ = 63286560. Its totient is φ = 28388448.

The previous prime is 42650507. The next prime is 42650527. The reversal of 42650523 is 32505624.

42650523 is a `hidden beast` number, since 4 + 2 + 650 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 42650523 - 2⁴ = 42650507 is a prime.

It is a super-2 number, since 2×42650523² = 3638134224347058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42650527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32761 + ... + 34037.

It is an arithmetic number, because the mean of its divisors is an integer number (3955410).

Almost surely, 2^42650523 is an apocalyptic number.

42650523 is a deficient number, since it is larger than the sum of its proper divisors (20636037).

42650523 is a wasteful number, since it uses less digits than its factorization.

42650523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42650523 is about 6530.7367884489. The cubic root of 42650523 is about 349.3881091105.

The spelling of 42650523 in words is "forty-two million, six hundred fifty thousand, five hundred twenty-three".