42023253511 has 4 divisors (see below), whose sum is σ = 42598914592. Its totient is φ = 41447592432.

The previous prime is 42023253499. The next prime is 42023253557. The reversal of 42023253511 is 11535232024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42023253511 - 2⁷ = 42023253383 is a prime.

It is a super-3 number, since 3×42023253511³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42023253511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42023253611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287830431 + ... + 287830576.

It is an arithmetic number, because the mean of its divisors is an integer number (10649728648).

Almost surely, 2^42023253511 is an apocalyptic number.

42023253511 is a deficient number, since it is larger than the sum of its proper divisors (575661081).

42023253511 is an equidigital number, since it uses as much as digits as its factorization.

42023253511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575661080.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 42023253511 its reverse (11535232024), we get a palindrome (53558485535).

The spelling of 42023253511 in words is "forty-two billion, twenty-three million, two hundred fifty-three thousand, five hundred eleven".