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140801423 = 723874543
BaseRepresentation
bin10000110010001…
…11010110001111
3100210221110020112
420121013112033
5242021121143
621545510235
73326535530
oct1031072617
9323843215
10140801423
117252a214
123b1a237b
132322b069
14149b2687
15c563e18
hex864758f

140801423 has 8 divisors (see below), whose sum is σ = 167912448. Its totient is φ = 115439544.

The previous prime is 140801387. The next prime is 140801431. The reversal of 140801423 is 324108041.

140801423 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 140801423 - 210 = 140800399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140801483) 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, 437111 + ... + 437432.

It is an arithmetic number, because the mean of its divisors is an integer number (20989056).

Almost surely, 2140801423 is an apocalyptic number.

140801423 is a deficient number, since it is larger than the sum of its proper divisors (27111025).

140801423 is an equidigital number, since it uses as much as digits as its factorization.

140801423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874573.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 140801423 is about 11865.9775408518. The cubic root of 140801423 is about 520.2383313309.

Adding to 140801423 its reverse (324108041), we get a palindrome (464909464).

The spelling of 140801423 in words is "one hundred forty million, eight hundred one thousand, four hundred twenty-three".

Divisors: 1 7 23 161 874543 6121801 20114489 140801423