42400432623 has 16 divisors (see below), whose sum is σ = 60262668800. Its totient is φ = 26440240320.

The previous prime is 42400432609. The next prime is 42400432637. The reversal of 42400432623 is 32623400424.

It is an interprime number because it is at equal distance from previous prime (42400432609) and next prime (42400432637).

It is not a de Polignac number, because 42400432623 - 2¹³ = 42400424431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42400432663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4703518 + ... + 4712523.

It is an arithmetic number, because the mean of its divisors is an integer number (3766416800).

Almost surely, 2^42400432623 is an apocalyptic number.

42400432623 is a deficient number, since it is larger than the sum of its proper divisors (17862236177).

42400432623 is a wasteful number, since it uses less digits than its factorization.

42400432623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416142.

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

The spelling of 42400432623 in words is "forty-two billion, four hundred million, four hundred thirty-two thousand, six hundred twenty-three".