42342440401023 has 32 divisors (see below), whose sum is σ = 65410108416000. Its totient is φ = 23862614743296.

The previous prime is 42342440401013. The next prime is 42342440401139. The reversal of 42342440401023 is 32010404424324.

It is not a de Polignac number, because 42342440401023 - 2²⁴ = 42342423623807 is a prime.

It is a super-2 number, since 2×42342440401023² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342440401003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21865378 + ... + 23722976.

It is an arithmetic number, because the mean of its divisors is an integer number (2044065888000).

Almost surely, 2^{42342440401023} is an apocalyptic number.

42342440401023 is a deficient number, since it is larger than the sum of its proper divisors (23067668014977).

42342440401023 is a wasteful number, since it uses less digits than its factorization.

42342440401023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872551.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 42342440401023 its reverse (32010404424324), we get a palindrome (74352844825347).

The spelling of 42342440401023 in words is "forty-two trillion, three hundred forty-two billion, four hundred forty million, four hundred one thousand, twenty-three".