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115023423 = 3311236811
BaseRepresentation
bin1101101101100…
…01111000111111
322000102210110210
412312301320333
5213421222143
615225203503
72564453154
oct666617077
9260383423
10115023423
1159a22889
1232630593
131aaa39c8
14113c222b
15a171033
hex6db1e3f

115023423 has 8 divisors (see below), whose sum is σ = 158311936. Its totient is φ = 74208600.

The previous prime is 115023413. The next prime is 115023427. The reversal of 115023423 is 324320511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115023423 - 210 = 115022399 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 115023423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115023427) 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, 618313 + ... + 618498.

It is an arithmetic number, because the mean of its divisors is an integer number (19788992).

Almost surely, 2115023423 is an apocalyptic number.

115023423 is a deficient number, since it is larger than the sum of its proper divisors (43288513).

115023423 is a wasteful number, since it uses less digits than its factorization.

115023423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236845.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 115023423 is about 10724.8973421660. The cubic root of 115023423 is about 486.3274267349.

Adding to 115023423 its reverse (324320511), we get a palindrome (439343934).

The spelling of 115023423 in words is "one hundred fifteen million, twenty-three thousand, four hundred twenty-three".

Divisors: 1 3 31 93 1236811 3710433 38341141 115023423