42143023343444 has 24 divisors (see below), whose sum is σ = 73844251679520. Its totient is φ = 21044669024736.

The previous prime is 42143023343437. The next prime is 42143023343513. The reversal of 42143023343444 is 44434332034124.

It is a super-2 number, since 2×42143023343444² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51659894 + ... + 52469330.

It is an arithmetic number, because the mean of its divisors is an integer number (3076843819980).

Almost surely, 2^{42143023343444} is an apocalyptic number.

It is an amenable number.

42143023343444 is a deficient number, since it is larger than the sum of its proper divisors (31701228336076).

42143023343444 is a wasteful number, since it uses less digits than its factorization.

42143023343444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826007 (or 826005 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 42143023343444 its reverse (44434332034124), we get a palindrome (86577355377568).

The spelling of 42143023343444 in words is "forty-two trillion, one hundred forty-three billion, twenty-three million, three hundred forty-three thousand, four hundred forty-four".