Base | Representation |
---|---|
bin | 111100111110100… |
… | …101101000010111 |
3 | 2122022000211002020 |
4 | 330332211220113 |
5 | 4043344240043 |
6 | 245303144223 |
7 | 34231460655 |
oct | 7476455027 |
9 | 2568024066 |
10 | 1023040023 |
11 | 485530125 |
12 | 246745073 |
13 | 133c46235 |
14 | 99c27dd5 |
15 | 5ec32e83 |
hex | 3cfa5a17 |
1023040023 has 16 divisors (see below), whose sum is σ = 1453648896. Its totient is φ = 638491040.
The previous prime is 1023040013. The next prime is 1023040027. The reversal of 1023040023 is 3200403201.
It is not a de Polignac number, because 1023040023 - 28 = 1023039767 is a prime.
It is a super-2 number, since 2×10230400232 = 2093221777319681058, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1023039984 and 1023040011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1023040027) 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, 154488 + ... + 160973.
It is an arithmetic number, because the mean of its divisors is an integer number (90853056).
Almost surely, 21023040023 is an apocalyptic number.
1023040023 is a deficient number, since it is larger than the sum of its proper divisors (430608873).
1023040023 is a wasteful number, since it uses less digits than its factorization.
1023040023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315534.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 1023040023 is about 31984.9968422697. The cubic root of 1023040023 is about 1007.6217687219.
Adding to 1023040023 its reverse (3200403201), we get a palindrome (4223443224).
The spelling of 1023040023 in words is "one billion, twenty-three million, forty thousand, twenty-three".
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