420454030051023 has 32 divisors (see below), whose sum is σ = 575091029551104. Its totient is φ = 273093640912512.

The previous prime is 420454030051009. The next prime is 420454030051031. The reversal of 420454030051023 is 320150030454024.

It is not a de Polignac number, because 420454030051023 - 2⁸ = 420454030050767 is a prime.

It is a super-2 number, since 2×420454030051023² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420454030051723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79026465 + ... + 84178917.

It is an arithmetic number, because the mean of its divisors is an integer number (17971594673472).

Almost surely, 2^{420454030051023} is an apocalyptic number.

420454030051023 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

420454030051023 is a deficient number, since it is larger than the sum of its proper divisors (154636999500081).

420454030051023 is a wasteful number, since it uses less digits than its factorization.

420454030051023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154095.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 420454030051023 in words is "four hundred twenty trillion, four hundred fifty-four billion, thirty million, fifty-one thousand, twenty-three".