42023520001 has 4 divisors (see below), whose sum is σ = 42079477504. Its totient is φ = 41967562500.

The previous prime is 42023519977. The next prime is 42023520031. The reversal of 42023520001 is 10002532024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42023520001 - 2⁷ = 42023519873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42023520031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27977625 + ... + 27979126.

It is an arithmetic number, because the mean of its divisors is an integer number (10519869376).

Almost surely, 2^42023520001 is an apocalyptic number.

It is an amenable number.

42023520001 is a deficient number, since it is larger than the sum of its proper divisors (55957503).

42023520001 is an equidigital number, since it uses as much as digits as its factorization.

42023520001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55957502.

The product of its (nonzero) digits is 480, while the sum is 19.

The spelling of 42023520001 in words is "forty-two billion, twenty-three million, five hundred twenty thousand, one".