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123230315 = 5131895851
BaseRepresentation
bin1110101100001…
…01100001101011
322120212202012202
413112011201223
5223021332230
620121130415
73024304025
oct726054153
9276782182
10123230315
116361883a
1235329a0b
131c6b8360
141251b015
15ac42a45
hex758586b

123230315 has 8 divisors (see below), whose sum is σ = 159251568. Its totient is φ = 91000800.

The previous prime is 123230299. The next prime is 123230321. The reversal of 123230315 is 513032321.

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

It is not a de Polignac number, because 123230315 - 24 = 123230299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947861 + ... + 947990.

It is an arithmetic number, because the mean of its divisors is an integer number (19906446).

Almost surely, 2123230315 is an apocalyptic number.

123230315 is a deficient number, since it is larger than the sum of its proper divisors (36021253).

123230315 is a wasteful number, since it uses less digits than its factorization.

123230315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895869.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 123230315 is about 11100.9150523729. The cubic root of 123230315 is about 497.6291963475.

Adding to 123230315 its reverse (513032321), we get a palindrome (636262636).

The spelling of 123230315 in words is "one hundred twenty-three million, two hundred thirty thousand, three hundred fifteen".

Divisors: 1 5 13 65 1895851 9479255 24646063 123230315