42400202004423 has 12 divisors (see below), whose sum is σ = 63356623685160. Its totient is φ = 27292084048656.

The previous prime is 42400202004379. The next prime is 42400202004431. The reversal of 42400202004423 is 32440020200424.

It is not a de Polignac number, because 42400202004423 - 2²¹ = 42400199907271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42400202004463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81226440361 + ... + 81226440882.

It is an arithmetic number, because the mean of its divisors is an integer number (5279718640430).

Almost surely, 2^{42400202004423} is an apocalyptic number.

42400202004423 is a deficient number, since it is larger than the sum of its proper divisors (20956421680737).

42400202004423 is a wasteful number, since it uses less digits than its factorization.

42400202004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162452881278 (or 162452881275 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 42400202004423 its reverse (32440020200424), we get a palindrome (74840222204847).

The spelling of 42400202004423 in words is "forty-two trillion, four hundred billion, two hundred two million, four thousand, four hundred twenty-three".