Search a number
-
+
123310401 = 3172417851
BaseRepresentation
bin1110101100110…
…01000101000001
322121000211001220
413112121011001
5223031413101
620122545253
73025056354
oct726310501
9277024056
10123310401
1163672a25
1235368229
131c715946
141253c29b
15ac5b636
hex7599141

123310401 has 8 divisors (see below), whose sum is σ = 174085344. Its totient is φ = 77371200.

The previous prime is 123310339. The next prime is 123310417. The reversal of 123310401 is 104013321.

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

It is not a de Polignac number, because 123310401 - 213 = 123302209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123310441) 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, 1208875 + ... + 1208976.

It is an arithmetic number, because the mean of its divisors is an integer number (21760668).

Almost surely, 2123310401 is an apocalyptic number.

It is an amenable number.

123310401 is a deficient number, since it is larger than the sum of its proper divisors (50774943).

123310401 is a wasteful number, since it uses less digits than its factorization.

123310401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417871.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 123310401 is about 11104.5216466086. The cubic root of 123310401 is about 497.7369742147.

Adding to 123310401 its reverse (104013321), we get a palindrome (227323722).

The spelling of 123310401 in words is "one hundred twenty-three million, three hundred ten thousand, four hundred one".

Divisors: 1 3 17 51 2417851 7253553 41103467 123310401