42403400431023 has 8 divisors (see below), whose sum is σ = 56687043673600. Its totient is φ = 28194345404568.

The previous prime is 42403400431013. The next prime is 42403400431043. The reversal of 42403400431023 is 32013400430424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42403400431023 - 2⁶ = 42403400430959 is a prime.

It is a super-2 number, since 2×42403400431023² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403400431003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18647052703 + ... + 18647054976.

It is an arithmetic number, because the mean of its divisors is an integer number (7085880459200).

Almost surely, 2^{42403400431023} is an apocalyptic number.

42403400431023 is a deficient number, since it is larger than the sum of its proper divisors (14283643242577).

42403400431023 is a wasteful number, since it uses less digits than its factorization.

42403400431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37294108061.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 42403400431023 its reverse (32013400430424), we get a palindrome (74416800861447).

The spelling of 42403400431023 in words is "forty-two trillion, four hundred three billion, four hundred million, four hundred thirty-one thousand, twenty-three".