Search a number
-
+
1023123224321 = 111731111948353
BaseRepresentation
bin11101110001101101110…
…01010111011100000001
310121210212012211221001122
432320312321113130001
5113230324021134241
62102003305242025
7133626642626132
oct16706671273401
93553765757048
101023123224321
113649a4429640
12146355a93315
1375631a403b3
143773b44dc89
151b9317b704b
hexee36e57701

1023123224321 has 16 divisors (see below), whose sum is σ = 1122710250240. Its totient is φ = 924633361920.

The previous prime is 1023123224297. The next prime is 1023123224359. The reversal of 1023123224321 is 1234223213201.

It is a cyclic number.

It is not a de Polignac number, because 1023123224321 - 214 = 1023123207937 is a prime.

It is a super-2 number, since 2×10231232243212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023123224371) 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, 21135281 + ... + 21183633.

It is an arithmetic number, because the mean of its divisors is an integer number (70169390640).

Almost surely, 21023123224321 is an apocalyptic number.

1023123224321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1023123224321 is a deficient number, since it is larger than the sum of its proper divisors (99587025919).

1023123224321 is a wasteful number, since it uses less digits than its factorization.

1023123224321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59656.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1023123224321 its reverse (1234223213201), we get a palindrome (2257346437522).

The spelling of 1023123224321 in words is "one trillion, twenty-three billion, one hundred twenty-three million, two hundred twenty-four thousand, three hundred twenty-one".

Divisors: 1 11 173 1903 11119 48353 122309 531883 1923587 8365069 21159457 92015759 537637007 5914007077 93011202211 1023123224321