42263541065523 has 16 divisors (see below), whose sum is σ = 56445888393216. Its totient is φ = 28128445118400.

The previous prime is 42263541065507. The next prime is 42263541065549. The reversal of 42263541065523 is 32556014536224.

It is not a de Polignac number, because 42263541065523 - 2⁴ = 42263541065507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42263541065573) 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, 268898386 + ... + 269055512.

It is an arithmetic number, because the mean of its divisors is an integer number (3527868024576).

Almost surely, 2^{42263541065523} is an apocalyptic number.

42263541065523 is a deficient number, since it is larger than the sum of its proper divisors (14182347327693).

42263541065523 is a wasteful number, since it uses less digits than its factorization.

42263541065523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306914.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 42263541065523 in words is "forty-two trillion, two hundred sixty-three billion, five hundred forty-one million, sixty-five thousand, five hundred twenty-three".