Search a number
-
+
123023001030 = 23510094064189
BaseRepresentation
bin111001010010010111…
…1100000010111000110
3102202112200110222022120
41302210233200113012
54003422342013110
6132303241510410
711613424153326
oct1624457402706
9382480428276
10123023001030
11481a0305586
121ba141a2406
13b7a7592c87
145d50a19286
15330058e870
hex1ca4be05c6

123023001030 has 32 divisors (see below), whose sum is σ = 295547896800. Its totient is φ = 32773612032.

The previous prime is 123023001007. The next prime is 123023001037. The reversal of 123023001030 is 30100320321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023001037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001825 + ... + 2062364.

It is an arithmetic number, because the mean of its divisors is an integer number (9235871775).

Almost surely, 2123023001030 is an apocalyptic number.

123023001030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123023001030 is an abundant number, since it is smaller than the sum of its proper divisors (172524895770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123023001030 is a wasteful number, since it uses less digits than its factorization.

123023001030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065208.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123023001030 its reverse (30100320321), we get a palindrome (153123321351).

The spelling of 123023001030 in words is "one hundred twenty-three billion, twenty-three million, one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1009 2018 3027 5045 6054 10090 15135 30270 4064189 8128378 12192567 20320945 24385134 40641890 60962835 121925670 4100766701 8201533402 12302300103 20503833505 24604600206 41007667010 61511500515 123023001030