426552404300623 has 8 divisors (see below), whose sum is σ = 428912306426240. Its totient is φ = 424192537988640.

The previous prime is 426552404300593. The next prime is 426552404300699. The reversal of 426552404300623 is 326003404255624.

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 426552404300623 - 2²¹ = 426552402203471 is a prime.

It is a super-2 number, since 2×426552404300623² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426552404300923) 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, 15111586 + ... + 32885632.

It is an arithmetic number, because the mean of its divisors is an integer number (53614038303280).

Almost surely, 2^{426552404300623} is an apocalyptic number.

426552404300623 is a deficient number, since it is larger than the sum of its proper divisors (2359902125617).

426552404300623 is a wasteful number, since it uses less digits than its factorization.

426552404300623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17906817.

The product of its (nonzero) digits is 4147200, while the sum is 46.

The spelling of 426552404300623 in words is "four hundred twenty-six trillion, five hundred fifty-two billion, four hundred four million, three hundred thousand, six hundred twenty-three".