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1043423231 = 7959322273
BaseRepresentation
bin111110001100010…
…101111111111111
32200201101101120212
4332030111333333
54114104020411
6251312103035
734566644144
oct7614257777
92621341525
101043423231
11495a92354
12251534a7b
13138231bc6
149c8123cb
156190c68b
hex3e315fff

1043423231 has 8 divisors (see below), whose sum is σ = 1058460480. Its totient is φ = 1028431872.

The previous prime is 1043423207. The next prime is 1043423261. The reversal of 1043423231 is 1323243401.

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 1043423231 - 210 = 1043422207 is a prime.

It is a super-2 number, since 2×10434232312 = 2177464077980958722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043423197 and 1043423206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043423261) 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, 35711 + ... + 57983.

It is an arithmetic number, because the mean of its divisors is an integer number (132307560).

Almost surely, 21043423231 is an apocalyptic number.

1043423231 is a deficient number, since it is larger than the sum of its proper divisors (15037249).

1043423231 is an equidigital number, since it uses as much as digits as its factorization.

1043423231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22945.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1043423231 is about 32302.0623335415. The cubic root of 1043423231 is about 1014.2698141612.

Adding to 1043423231 its reverse (1323243401), we get a palindrome (2366666632).

The spelling of 1043423231 in words is "one billion, forty-three million, four hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 79 593 22273 46847 1759567 13207889 1043423231