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140101423 = 7112251659
BaseRepresentation
bin10000101100111…
…00011100101111
3100202121220000121
420112130130233
5241331221143
621522505411
73320561650
oct1026343457
9322556017
10140101423
11720a1300
123ab05267
1323044567
141486d527
15c4767ed
hex859c72f

140101423 has 24 divisors (see below), whose sum is σ = 176964480. Its totient is φ = 108570000.

The previous prime is 140101417. The next prime is 140101517. The reversal of 140101423 is 324101041.

It is not a de Polignac number, because 140101423 - 29 = 140100911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140101397 and 140101406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140101123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212268 + ... + 212926.

It is an arithmetic number, because the mean of its divisors is an integer number (7373520).

Almost surely, 2140101423 is an apocalyptic number.

140101423 is a deficient number, since it is larger than the sum of its proper divisors (36863057).

140101423 is a wasteful number, since it uses less digits than its factorization.

140101423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140101423 is about 11836.4446942484. Note that the first 3 decimals coincide. The cubic root of 140101423 is about 519.3747699961.

Adding to 140101423 its reverse (324101041), we get a palindrome (464202464).

The spelling of 140101423 in words is "one hundred forty million, one hundred one thousand, four hundred twenty-three".

Divisors: 1 7 11 77 121 251 659 847 1757 2761 4613 7249 19327 30371 50743 79739 165409 212597 558173 1157863 1819499 12736493 20014489 140101423