42343031423 has 16 divisors (see below), whose sum is σ = 54019021056. Its totient is φ = 32227251840.

The previous prime is 42343031407. The next prime is 42343031453. The reversal of 42343031423 is 32413034324.

It is not a de Polignac number, because 42343031423 - 2⁴ = 42343031407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343031453) 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, 6390986 + ... + 6397607.

It is an arithmetic number, because the mean of its divisors is an integer number (3376188816).

Almost surely, 2^42343031423 is an apocalyptic number.

42343031423 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42343031423 is a deficient number, since it is larger than the sum of its proper divisors (11675989633).

42343031423 is a wasteful number, since it uses less digits than its factorization.

42343031423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12788654.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 42343031423 its reverse (32413034324), we get a palindrome (74756065747).

The spelling of 42343031423 in words is "forty-two billion, three hundred forty-three million, thirty-one thousand, four hundred twenty-three".