42401564235623 has 8 divisors (see below), whose sum is σ = 44978760549360. Its totient is φ = 39833588661120.

The previous prime is 42401564235617. The next prime is 42401564235631. The reversal of 42401564235623 is 32653246510424.

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

It is a cyclic number.

It is not a de Polignac number, because 42401564235623 - 2⁸ = 42401564235367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42401564235223) 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, 2305175333 + ... + 2305193726.

It is an arithmetic number, because the mean of its divisors is an integer number (5622345068670).

Almost surely, 2^{42401564235623} is an apocalyptic number.

42401564235623 is a deficient number, since it is larger than the sum of its proper divisors (2577196313737).

42401564235623 is a wasteful number, since it uses less digits than its factorization.

42401564235623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610369617.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 42401564235623 in words is "forty-two trillion, four hundred one billion, five hundred sixty-four million, two hundred thirty-five thousand, six hundred twenty-three".