42529123 has 8 divisors (see below), whose sum is σ = 52343648. Its totient is φ = 33649344.

The previous prime is 42529111. The next prime is 42529127. The reversal of 42529123 is 32192524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42529123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42529091 and 42529100.

It is not an unprimeable number, because it can be changed into a prime (42529127) 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, 233586 + ... + 233767.

It is an arithmetic number, because the mean of its divisors is an integer number (6542956).

Almost surely, 2^42529123 is an apocalyptic number.

42529123 is a deficient number, since it is larger than the sum of its proper divisors (9814525).

42529123 is a wasteful number, since it uses less digits than its factorization.

42529123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467373.

The product of its digits is 4320, while the sum is 28.

The square root of 42529123 is about 6521.4356548233. The cubic root of 42529123 is about 349.0562958751.

The spelling of 42529123 in words is "forty-two million, five hundred twenty-nine thousand, one hundred twenty-three".