42143523023 has 16 divisors (see below), whose sum is σ = 48512459520. Its totient is φ = 35862181056.

The previous prime is 42143522989. The next prime is 42143523049. The reversal of 42143523023 is 32032534124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42143523023 - 2¹² = 42143518927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143523053) 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, 1049408 + ... + 1088826.

It is an arithmetic number, because the mean of its divisors is an integer number (3032028720).

Almost surely, 2^42143523023 is an apocalyptic number.

42143523023 is a deficient number, since it is larger than the sum of its proper divisors (6368936497).

42143523023 is a wasteful number, since it uses less digits than its factorization.

42143523023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40526.

The product of its (nonzero) digits is 17280, while the sum is 29.

The spelling of 42143523023 in words is "forty-two billion, one hundred forty-three million, five hundred twenty-three thousand, twenty-three".