Search a number
-
+
123430004 = 22195330643
BaseRepresentation
bin1110101101101…
…10010001110100
322121020220010122
413112312101310
5223044230004
620125311112
73026065145
oct726662164
9277226118
10123430004
1163744875
1235405498
131c758209
141256dacc
15ac81cbe
hex75b6474

123430004 has 24 divisors (see below), whose sum is σ = 231668640. Its totient is φ = 57361824.

The previous prime is 123430001. The next prime is 123430007. The reversal of 123430004 is 400034321.

It is an interprime number because it is at equal distance from previous prime (123430001) and next prime (123430007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123430001) 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, 11294 + ... + 19349.

It is an arithmetic number, because the mean of its divisors is an integer number (9652860).

Almost surely, 2123430004 is an apocalyptic number.

It is an amenable number.

123430004 is a deficient number, since it is larger than the sum of its proper divisors (108238636).

123430004 is a wasteful number, since it uses less digits than its factorization.

123430004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30719 (or 30717 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 123430004 is about 11109.9056701666. The cubic root of 123430004 is about 497.8978462856.

Adding to 123430004 its reverse (400034321), we get a palindrome (523464325).

The spelling of 123430004 in words is "one hundred twenty-three million, four hundred thirty thousand, four".

Divisors: 1 2 4 19 38 53 76 106 212 1007 2014 4028 30643 61286 122572 582217 1164434 1624079 2328868 3248158 6496316 30857501 61715002 123430004