42015123435 has 32 divisors (see below), whose sum is σ = 68011011072. Its totient is φ = 22146775040.

The previous prime is 42015123427. The next prime is 42015123457. The reversal of 42015123435 is 53432151024.

It is not a de Polignac number, because 42015123435 - 2³ = 42015123427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661387 + ... + 722123.

It is an arithmetic number, because the mean of its divisors is an integer number (2125344096).

Almost surely, 2^42015123435 is an apocalyptic number.

42015123435 is a deficient number, since it is larger than the sum of its proper divisors (25995887637).

42015123435 is a wasteful number, since it uses less digits than its factorization.

42015123435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61283.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 42015123435 its reverse (53432151024), we get a palindrome (95447274459).

The spelling of 42015123435 in words is "forty-two billion, fifteen million, one hundred twenty-three thousand, four hundred thirty-five".