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623474423 = 11134359961
BaseRepresentation
bin100101001010010…
…111011011110111
31121110011210010022
4211022113123313
52234102140143
6141511115355
721310305455
oct4512273367
91543153108
10623474423
1129aa31620
12154972b5b
139c2275a0
145cb379d5
1539b08268
hex252976f7

623474423 has 8 divisors (see below), whose sum is σ = 732473616. Its totient is φ = 523195200.

The previous prime is 623474389. The next prime is 623474431. The reversal of 623474423 is 324474326.

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

It is not a de Polignac number, because 623474423 - 210 = 623473399 is a prime.

It is a super-2 number, since 2×6234744232 = 777440712270365858, which 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 (623474443) 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, 2179838 + ... + 2180123.

It is an arithmetic number, because the mean of its divisors is an integer number (91559202).

Almost surely, 2623474423 is an apocalyptic number.

623474423 is a deficient number, since it is larger than the sum of its proper divisors (108999193).

623474423 is a wasteful number, since it uses less digits than its factorization.

623474423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359985.

The product of its digits is 96768, while the sum is 35.

The square root of 623474423 is about 24969.4698181599. The cubic root of 623474423 is about 854.2917532308.

The spelling of 623474423 in words is "six hundred twenty-three million, four hundred seventy-four thousand, four hundred twenty-three".

Divisors: 1 11 13 143 4359961 47959571 56679493 623474423