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40112023 = 723249143
BaseRepresentation
bin1001100100000…
…0111110010111
32210110220100111
42121000332113
540232041043
63551423451
7664642450
oct231007627
983426314
1040112023
1120707836
1211524b87
138405833
145482127
1537c509d
hex2640f97

40112023 has 8 divisors (see below), whose sum is σ = 47835648. Its totient is φ = 32886744.

The previous prime is 40112003. The next prime is 40112081. The reversal of 40112023 is 32021104.

40112023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40112023 - 221 = 38014871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40111994 and 40112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124411 + ... + 124732.

It is an arithmetic number, because the mean of its divisors is an integer number (5979456).

Almost surely, 240112023 is an apocalyptic number.

40112023 is a deficient number, since it is larger than the sum of its proper divisors (7723625).

40112023 is a wasteful number, since it uses less digits than its factorization.

40112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249173.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40112023 is about 6333.4053241522. The cubic root of 40112023 is about 342.3141528191.

Adding to 40112023 its reverse (32021104), we get a palindrome (72133127).

The spelling of 40112023 in words is "forty million, one hundred twelve thousand, twenty-three".

Divisors: 1 7 23 161 249143 1744001 5730289 40112023