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40023003223 = 75717571889
BaseRepresentation
bin100101010001100011…
…101001000001010111
310211022021100012222201
4211101203221001113
51123431342100343
630215235505331
72614543625410
oct452143510127
9124267305881
1040023003223
1115a78a3a775
12790b758247
133a0aa77938
141d19678807
151093a2c94d
hex9518e9057

40023003223 has 4 divisors (see below), whose sum is σ = 45740575120. Its totient is φ = 34305431328.

The previous prime is 40023003221. The next prime is 40023003301. The reversal of 40023003223 is 32230032004.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40023003223 - 21 = 40023003221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40023003223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40023003221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2858785938 + ... + 2858785951.

It is an arithmetic number, because the mean of its divisors is an integer number (11435143780).

Almost surely, 240023003223 is an apocalyptic number.

40023003223 is a deficient number, since it is larger than the sum of its proper divisors (5717571897).

40023003223 is an equidigital number, since it uses as much as digits as its factorization.

40023003223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717571896.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 40023003223 its reverse (32230032004), we get a palindrome (72253035227).

The spelling of 40023003223 in words is "forty billion, twenty-three million, three thousand, two hundred twenty-three".

Divisors: 1 7 5717571889 40023003223